题目内容
（请给出正确答案）
A、The role or function of a particular species
B、A place in where the individuals of population live
C、An animal population living in the forest
D、A group of populations living together
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更多“What is the niche？”相关的问题
A、what factors are necessary for one’s success
B、how a person can make a change about his life
C、what one has to experience in order to succeed
D、how a person is respected for his achievements
1.Determine your goals.What do you want to get out of a college education? Academic(学术的)knowledge? Leadership experience within a club? Decide what is most important to you.Then de vote proportionate(成比例的)amounts of time to those efforts.
2.Plan ahead.You may think you can keep everything in your head, but as the activities on your schedule start piling up, making a schedule can really help organize even little tasks.
3.Study at strategic (关键的)times.Don’t wait until you’re falling asleep to study.Study first.Save those e-mails to check later, because tasks that don’t require much energy and attention can still be done when you’re tired.
4.Motivate (激励)yourself! You know t hat TV show you’ve been dying to see, or that game of chess you’ve been waiting all week to challenge your friend to.These and many other special activities can be used for motivation.Promise yourself that you’ll force yourself to work efficiently.(Don't rush through the assignment, though.)
5.Take a nap.Sometimes even a 20-minute nap in the afternoon will give you the extra energy you need to get through the day.
1.We need to play ahead in order to ().
A.keep a record of all the events
B.better organize our activities
C.store everything in our head
D.pile up little tasks neatly
2.Strategic times are best for us to ().
A.save energy
B.check e-mails
C.study efficiently
D.orga nize activities
3.Which of the following could be used as a motivation to do our assignments?()
A.Remembering our urgent tasks
B.Any activities we’re eager to do
C.Taking a break in the afternoon
D.The promise to study efficiently
4.What can help us to keep refreshed throughout the day?()
A.Doing some physical exercise
B.Taking a short nap in the afternoon
C.Rushing through some assignments
D.Playing a game of chess with a friend
5.Which of the following could be the best title for this article?()
A.Study Habits and Time Management
B.Business Management and Leadership
C.University Education and Campus Life
D.Life Goals and Academic Development
A、Deep-sea floor
B、Continental shelf.
C、Continental rise
D、Continental slope
A、Higher primary production and more balanced ecosystem
B、fewer biomass and fewer biodiversity
C、Lower dissolved oxygen and fish death
D、bottom up control and will benefit the ecosystem
A、Epipelagic zone
B、Mesopelagic zone
C、Continental shelf
D、Ocean floor
A、keystone species will be largely impacted and lose it ecological niche.
B、Number of polar bear will decline.
C、The sea ice coverage is not changing too much.
D、The primary producer will change to bacteria.
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