题目内容
（请给出正确答案）
Immediately before going out of the spaceship，the astronauts have to__________ ．
A.check the spaceship doors
B.walk through the bellows
C.attach each other with a cable
D.do some warm．up exercises
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【填空题】Lesson 3 Listening Comprehension Blank-filling 2 We will begin by explaining the layout of a typical airport. Although airports are different in size and layout，airport markings and procedures have been 1 for safety and efficiency of operations so that everyone can comfortably and safely 2 on the ground. When an airport is built the runways are laid out so that the approaches to the runways avoid higher 3 and 4 , and the primary runway is aligned as much as possible with the commonly 5 . Any 6 runways are for use when the winds are from other directions. Generally pilots try to utilize the runway with the most direct 7 which minimizes the runway distance required also reduces their workload. The 8 width, strength and number of runways will be determined by the amount and the size of traffic expected. Many airports started out small and were 9 as use increased. Airport Landing services can be asphalt, 10 , grass, gravel or for sea planes water. Airports will also have taxiways and parking areas known as 11 . As airports increase in size and usage they become hosts to aviation businesses that provide fueling service, 12 , flight training, passenger and 13 service, manufacturing and other related services. When operating from a towered airport air traffic control or ATC will 14 arrivals and departures by issuing instructions and 15 to the pilots. When operating from a non-towered airport the pilots coordinate their own movements and use recommended patterns and procedures for safety and efficiency.
A、logical
B、passionate
C、optimistic
D、moving
A、the learner's interest in the learning materials
B、two-way communication
C、interdependence of the three skills
D、the learner's language ability
A.When
B.While
C.Since
D.0nce
Research has shown that excessive noise（1）people’S hearing．In fact，many young people now suffer from deafness from regularly going to discos where the（2）of noise is so high that they have to shout to make themselves（3）．Unfortunately，in spite of modem（4），noise is a very much part of our modem world．Planes flying overhead，traffic thundering along busy roads，television，portable radios，all produce noise（5）which we have become so accustomed that we hardly（6）it．In fact，people going on country holidays have been known to complain that it is too quiet，they actually miss the noises they are used to in their daily lives．The problem is that noise，though it does not necessarily cause deafness，causes（7）and this can（8）the long run prove harmful．（9），the decision about more or less noise cannot be left to the scientists alone．It is（10）to us to decide what kind of world we want to live in．
1.
A.spoils
B.damagest
C.ruins
D.destroys
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