Scientists think that the continents()always where they ()today.

A: 1 don't like watching TV soaps. 1 think they are a waste of time.

B: I _______that. Millions of people are addicted to them!

A. agree with

B. wouldn't say

C. ‘d never thought of

D. can tell

What does Alex Winston think of her age？

A．She desires to look younger.

B．She is excited that she looks mature.

C．She doesn"t have a problem with her age.

D．She wishes she could go back to her teenage years.

What personal traits may be found in a good leader according to the article？ (More than one correct answer)

A.A good leader is enthusiastic about their work or cause.

B.A good leader is confident.

C.A good leader is able to think analytically.

D.A good leader is committed to excellence.

The importance of soil-keeping can never be over stressed for scientists observe that it takes nature 500 years to create an inch of topsoil.

A)土壤保持的重要性从来也没过多强调， 因为科学家说了自然界要花 500年才产生一英寸表层土壤。

B)科学家对土壤保持的重要性讨论还没结束，说要保护自然 500年才能得到一英寸表层土壤。

C)土壤保持非常重要，因为科学家指出自然形成一英寸厚的表层土壤要花 500年时间。

D)土壤保持的重要性怎么强调也不过分， 因为科学家指出形成一英寸厚的表层土壤要花500年的自然时间。

E)科学家对土壤保持的重要性讨论永远不会结束， 并说500年后表层土壤将不到一英寸。

（)what many scientists seem to think, measurements and calculations are not the only w

ay to discover truth.

A.ln case of

B.Regardless of

C.ln the event of

D.Despite of

eSome scientists think tht it my tke ______yers to mke robots look like people, nd do the sme thingss us.hundreds of B．two hundreds of C．two hundreds D．two hundred of

A．hundreds of

B．two hundreds of

C．two hundreds

D．two hundred of

Astronomers and scientists think that a black hole is __2__a region of

Scientists resist talking about their options because they don't want people to

A know what they are doing.

B feel their efforts are useless.

C think the problem has been solved.

D see the real problem.

meSome scientists think tht it my tke ______ yers to mke robots look like people,nd do the sme thingss us.hundreds of B．two hundreds of C．two hundreds D． hundreds

A．hundreds of

B．two hundreds of

C．two hundreds

D．hundreds

What made scientists think animal can be made to work for us one day？

A．Animals are very skillful at a circus.

B．They are big and strong.

C．Some animals are as clever as human beings.

D．Animals can be trained because they like to get something as a reward.

A．a way to lose fat

B．a nervous habit annoying the people around

C．a better kind of exercise than slow running

D．a habit of thin people