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提问人：网友yuanshang 发布时间：2022-01-07

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3. Each of the cloud droplets forms on a particle and scientists call a collection of particles an .

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更多“3. Each of the cloud droplets forms on a particle and scientists call a collection of particles an .”相关的问题

第1题

Reading Passage 3 describes numerous cause and effect relationships.Match each EFFECT with

Reading Passage 3 describes numerous cause and effect relationships.

Match each EFFECT with one of the CAUSES (A-G) below.

NOTE: there are more causes than you will need to use. You may use any cause more than once.

LIST OF CAUSES

A. rise in water vapour

B. rise in global temperature

C. greenhouse gases

D. thick cloud and carbon dioxide

E. radiation

F. reduction in the number of trees

G. holes in the ozone layer

EFFECT: ineffective carbon dioxide exchange

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第2题

Each line of "I Wandered Lonely as a Cloud" is metered in iambic ____ .

A.trimeter

B.tetrameter

C.pentameter

D.hexameter

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第3题

Section BDirections: In this section, you will hear 3 short passages. At the end of each p

Section B

Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.

听力原文： Water is a continually changing, dynamic surface. This makes studying the weather much more important on the water than on land. For this reason, a simple 24-bour, pocket-sized weather radio should be standard equipment for your boat.

Storms send advance warnings if you know what to look for. Many weather changes can be read in the ever-changing cloud patterns. The first visual signs of a storm will appear in the west, southwest, or northwest. There will be a high cloud formation with a dirty bottom and a tall, stringy top as beginning boaters, my friends and I admired these beautiful cloud formations from our kayak on the Connecticut River on a day we will not forget. The violence of the hurricane-force winds that hit us in our small kayak will be remembered forever.

If you are in your boat, and a storm is on its way, don't try to outrun it. Head for a protected area. If you get stuck, use a bucket or any kind of drag attached to the anchor line, and sit or lie on the bottom of the boat. Many people drown in storms because they stand up, swing their arms, and holler for help. After the storm passes, the boat is floating peacefully without occupants. They fell overboard and drowned.

(27)

A．Boaters.

B．Weather forecasters.

C．Journalism students.

D．Radio operators.

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第4题

Each of the cloud droplets forms on a particle and scientists call a collection of particles an （lyosol/ aerosol).

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第5题

Section BDirections: In this section, you will hear 3 short passages. At the end of each p

Section B

听力原文： You may not realize that fog is simply a cloud that touches the ground. Like any cloud, it is composed of tiny droplets of water, or, in rare cases, of icy crystals that form. an ice fog. lce fogs usually occur only in extremely cold climates, because water droplets are so tiny they don't solidify until the air temperature is far below freezing, generally thirty degrees below zero Celsius or lower. These droplets are nearly spherical. The transparency of fog depends mainly on the concentration of droplets. The more droplets, the denser the fog is. Since water is eight hundred times denser than air, investigators were puzzled for a long time as to why the water particles in fog didn't simply fall to the ground, making the fog disappear. It turns out that droplets do fall at a predictable rate but in fog-creating conditions, they are either supported by rising air currents or continually replaced by new droplets condensing from water vapor in the air.

(27)

A．They both form. in large spherical masses.

B．They are both made of tiny water droplets.

C．They are both common only in cold climates.

D．They both change shape when temperatures vary.

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第6题

Which emotion does the underlined part in each sentence indicate？ She was on cloud nine when she heard the good news.

A.sadness

B.fear

C.surprise

D.happiness

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第7题

Skye Limited has a two process environment, and de...

Skye Limited has a two process environment, and details of these processes are as follows: Process P: each machine produces 6 units an hour and Skye has 8 machines working at 90% capacity. Process Q: each machine produces 9 units per hour and Skye has 6 machines working at 85% capacity One of Skye products is Cloud. Cloud is not particularly popular but does sell at a selling price of $20 although discounts of 15% apply. Material costs are $5 and direct labour costs are double the material cost. Cloud spends 0.2 hours in process P but 0.3 hours in process Q. What is Cloud’s throughput per hour in its bottleneck process？

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第8题

Passage VAn astronomy class is given the following facts about stellar evolution.1. A star

Passage V

An astronomy class is given the following facts about stellar evolution.

1. A star’s evolution can be divided into 3 stages: premain sequence (pre-MS), main sequence (MS), and post-main sequence (post-MS).

2. Gravity causes part of a cloud of gas and dust to collapse and heat up, creating a pre-MS star. The star’s hot dust and gas emit its energy.

3. A pre-MS star becomes an MS star when the star produces the majority of its energy by fusing hydrogen nuclei (protons) at its center to make helium nuclei.

4. An MS star becomes a post-MS star when the star expands in volume and produces the majority of its energy by fusing hydrogen to make helium in a shell surrounding its center.

5. The more massive a star, the more rapidly the star passes through each of the 3 stages of its evolution.Two students discuss the evolution of the Algol system—Algol A, a 3.6-solar-mass MS star; Algol B, a 0.8-solar-mass post-MS star; and Algol C, a 1.7-solar-mass MS star. (One solar mass = the Sun’s mass.) The 3 stars orbit a mutual center of mass, with Algol A and Algol B much closer to each other and to the center of mass than to Algol C.

Student 1

The 3 stars of the Algol system formed at the same time from the same cloud of gas and dust. Algol B, originally the most massive of the 3 stars, became a post-MS star and expanded in volume while Algol A remained an MS star. Because the matter in the outer parts of Algol B was more strongly attracted to Algol A than to the matter in the inner parts of Algol B, this matter flowed from Algol B to Algol A, and, over time, Algol A became more massive than Algol B.

Student 2

Algol B was not part of the original Algol system (Algol A and Algol C). Algol B and the original Algol system formed in different clouds of gas and dust at different times and moved in 2 different but intersecting orbits around the center of the galaxy. During a particular orbit,Algol B encountered the original Algol system at the intersection of the 2 orbits and became part of the Algol system.Algol B became a post-MS star while Algol A and Algol C remained MS stars. Algol B never lost mass to Algol A. Algol B was always less massive than Algol A.

Based on Student 2’s discussion, Algol B is part of the present Algol system because of which of the following forces exerted on Algol B by the original Algol system？

A.Electric force

B.Magnetic force

C.Gravitational force

D.Nuclear force

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第9题

Cloud obtained a 60% holding in the 100,000 $1 shares of Mist on 1 January 20X8, when

the retained earnings of Mist were $850,000.Consideration comprised $250,000 cash, $400,000 payable on 1 January 20X9 and one share in Cloud for each two shares acquired.Cloud has a cost of capital of 8% and the market value of its shares on 1 January 20X8 was $2.30.Cloud measures non-controlling interest at fair value.The fair value of the non-controlling interest at 1 January 20X8 was estimated to be $400,000.

What was the goodwill arising on acquisition().

A、$139,370

B、$169,000

C、$119,370

D、$130,370

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第10题

Two farmers were on their way home one evening after a hard day&39;s work. Both were tired

. They happened to look up at the sky and saw a black cloud overhead.

"Ah!" said one farmer,"tomorrow we shall have rain and the rice will grow well. " The second answered," nonsense (胡说),the rain will only damage the crops (撞稼). "

So they began to quarrel (争吵). Just then a third farmer came along and asked them why they were quarreling. Both farmers explained about the black cloud.

"What cloud？" asked the third farmer. They all looked at the sky. The cloud was no longer there.

The two farmers __________ that day

A.had a holiday

B.didn&39;t work

C.had worked hard

D.wanted to quarrel with each other

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