高中英语单选题

For a long time, he hesitated whether he should tell us ____ what had happened.

A．at dusk

B．at length

C．at present

D．at stake

.To improve your health, you can _________ 25— 30 minutes three or four times a week to do simple things such as walking ,cycling or running .

A．give off

B．turn down

C．take over

D．set aside

There is even an animal whose tail will         so that it can run away if someone grabs it.

A．break up

B．break out

C．break off

D．break down

Founded by Li Kaifu in September 2009, Innovation Workshop is committed to help Chinese young people create successful starting-up companies

A．commented

B．confirmed

C．concluded

D．committed

The director added a few characters and changed some names in this movie but _______ this is a true story.

A．completely

B．necessarily

C．essentially

D．gradually

— Why do English people talk so often about the weather when they start a conversation?
— Well, it’s probably the weather is a(n) __________topic.

A．safe

B．ordinary

C．primitive

D．conventional

While the government says there is a(n) ________supply of houses，prices of apartments have been going up these years.

A．unconditional

B．precise

C．abundant

D．short

It’s a major         for Obama and his national security team, to fulfill the goal once voiced by Obama’s predecessor, George W. Bush, to bring to justice the mastermind （设计者）of the 9-11 attacks.

A．anecdote

B．accomplishment

C．negotiate

D．campaign

For sustainable development, the government has decided to give         to those energy conserving and environment-friendly business in many aspects.

A．profit

B．interest

C．advantage

D．preference

People like taking photos because photos are the _______ of youth and history and can remind us of many happy scenes.

A．witness

B．guidance

C．evidence

D．approval

Shoppers are also less likely to queue for long if the item they are buying is of low value, and ____ food and drink shopkeepers are having to find new ways to deliver good customer service.

A．in the end

B．after all

C．as a result

D．on the contrary

The accident produced a very bad impact on the society, so those who _________ the project were severely punished.

A．come up with

B．look out for

C．took charge of

D．took the place of

Their efforts finally          when the New York Time picked the group as one of the top 10 bands of the year.

A．sent off

B．paid off

C．set off

D．took off

British wartime prime minister Winston Churchill  ____ the reporting for 50 years of an UFO incident because of fears it could create mass panic.

A．debated

B．abolished

C．defended

D．forbade

Nowadays food safety is a big problem and nobody can guarantee all foods are safe to us, but food produced in the normal companies is _______ better.

A．strictly

B．absolutely

C．relatively

D．exactly