Whats the meaning of "vulnerable" in Paragraph 2？A．Easy to be influencedB．HarmfulC．Benefic

According to the passage, why do fish lovers choose anemone fish as pets?

A．Because they are easy to be bred in fish tanks.

B．Because they are colorful and lovely.

C．Because they are rear species.

D．Because they are easy to be caught.

It can be inferred from the passage that most of the clown fish in the market now are

A．from fish farms

B．poisoned

C．imported from abroad

D．caught from their natural habitat

stakes, if the latter is

A．direct.

B．cheerful.

C．shy.

D．capable.

Your words may be completely______when it is passed on through different months.

A．distorted

B．restored

C．recovered

D．misled

Through Dr. Charles Czeislers experiment, we know that

A．blind people cannot tell their brain when there was more light.

B．the level of melatonin does not change in blind people"s blood.

C．facing light, the level of melatonin in blind people will increase.

D．not all the blind people have sensibility to light.

What "programs" sighted people to sleep at night?

A．A decrease in melatonin level.

B．An increase in melatonin level.

C．Personal habits.

D．Psychological hint.

According to the experiments, many blind people

A．sleep at daytime.

B．can sleep at any time.

C．have different sleep cycle with sighted people.

D．have the same sleep cycle as sighted people.

Which of the following is NOT true according to the conversation?

A．Living in England costs a lot compared with that in other countries.

B．The girl is majored in English.

C．The waiting period is not relatively long in fact.

D．The girl will immigrate to Britain.

r, just as the radiation from nuclear power plants in Japan has shown, many problems remain unsolved. What do you think of this? Write a composition of about 200 words on the following topic: Can Technology Solve the Problems that It Has Created? You are to write in three parts. In the first part, state clearly what your view is. In the second part, support your view with appropriate reasons. In the last part, bring what you have written to a natural conclusion or a summary. Marks will be awarded for content, organization, grammar and appropriateness. Failure to follow the instructions may result in a loss of marks.

A．a booming export

B．a falling unemployment rate

C．a stable government

D．a protest against a huge new railway project