Living things can also do many other things that n...

Living things can also do many other things that non-living things cannot do. Living things take【C1】______ food, and grow by converting the food into their own【C2】______ . Living things can move. They can get energy they need for movement by breaking down food during the【C3】______ of respiration. They excrete the waste products of respiration. Living things respond【C4】______ stimuli such as heat, light, and touch. A bird and a tree are【C5】______ because they do all these things. Living things are made up of tiny units called cells. Some simple plants and animals, and all bacteria,【C6】______ of only one cell. Many biologists consider bacteria as plants, but some【C7】______ them as neither plants nor animals. The vast majority of living things are made up of countless【C8】______ of cells. All the living parts of cells are made up of large molecules【C9】______ proteins. There are thousands of【C10】______ of proteins in each cell.

【C1】

A．after

B．in

C．care

D．part

Why do people read negative Internet comments and do other things that will obviously be painful？ Because humans have an inherent need to 1 uncertainty， according to a recent study in Psychological Science. The new research reveals that the need to know is so strong that people will 2 to satisfy their curiosity even when it is clear the answer will 3 .

In a series of four experiments， behavioral scientists at the University of Chicago and the Wisconsin School of Business tested. Student’s willingness to 4 themselves to unpleasant stimuli in an effort to satisfy curiosity. For one 5 each participant was shown a pile of pens that the researcher claimed were from a previous experiment. The twist？ Half of the pens would 6 an electric shock when clicked.

Twenty-seven students were told which pens were electrified， another twenty-seven were told only that some were electrified 7 left alone in the room， the students who did not know which ones would shock them clicked more pens and incurred more shocks than the students who knew what would 8 subsequent experiments reproduced， this effect with other stimuli 9 the sound of finger nails on a chalkboard and photographs of disgusting insects.

The drive to_10_is deeply rooted in humans. Much the same as the basic drives for_11_or shelter， says Christopher Hsee of the University of Chicago Curiosity is often considered a good instinct-it can _12_New Scientific advances， for instance-but sometimes such_13_can backfire， the insight that curiosity can drive you to do _14_things is a profound one.

Unhealthy curiosity is possible to 15 ， however， in a final experiment， participants who were encouraged to 16 how they would feel after viewing an unpleasant picture were less likely to 17 to see such an image. These results suggest that imagining the 18 of following through on one’s curiosity ahead of time can help determine 19 it is worth the endeavor. ” Thinking about long-term 20 is key to reducing the possible negative effects of curiosity. Hsee says “in other words， don’t read online comments”.

A.Protect

B.resolve

C.discuss

D.ignore

A.message

B.review

C.trial

D.concept

A.alert

B.tie

C.treat

D.expose

A.when

B.if

C.though

D.unless

A.continue

B.happen

C.disappear

D.change

A.rather than

B.regardless of

C.such as

D.owing to

A.discover

B.forgive

C.forget

D.disagree

A.withdrawal

B.persistence

C.inquiry

D.diligence

A.self-reliant

B.self-destructive

C.self-evident

D.self-deceptive

A.define

B.resist

C.replace

D.trace

A.overlook

B.predict

C.design

D.conceal

A.remember

B.promise

C.choose

D.pretend

A.relief

B.plan

C.duty

D.outcome

A.why

B.whether

C.where

D.how

A.refuse

B.wait

C.regret

D.seek

A.consequences

B.investments

C.strategies

D.limitations

A.hurt

B.last

C.mislead

D.rise

A.remove

B.weaken

C.interrupt

D.deliver

A.pay

B.marriage

C.schooling

D.food

A.lead to

B.rest on

C.learn from

D.begin with

请帮忙给出每个问题的正确答案和分析，谢谢！

"The La Brea Tar Pits" in paragraph 4 probably signifies things that ______.

A．can be traced back to the prehistoric age

B．are traps for those who want to inquire

C．are located in one place forever

D．don't deserve full investigation

People should sometimes do things that they do not enjoy doing. Do you agree or disagree with this statement? Write an essay of about 400 words to state your view. In the first part of your writing you should present your thesis statement, and in the second part you should support the thesis statement with appropriate details. In the last part you should bring what you have written to a natural conclusion or a summary.

You should supply on appropriate title for your essay.

Marks will be awarded for content, organization, grammar and appropriacy. Failure to follow the above instructions may result in a loss of marks.