人教版英语必修三课后练：Unit 2 Healthy eating Section 3 课后含答案

Unit 2Section Ⅲ

Ⅰ.单句语法填空

1．—Mum，why have us eat much vegetable?

—Because it is beneficial(benefit) to our health.

解析：考查词形转换。句意：——妈妈，我们为什么吃很多蔬菜？——因为对我们的健康有好处。be beneficial to对……有好处。

2．After I told her the news，she stared at me in astonishment.

解析：考查动词短语。句意：我告诉她这个消息之后，她吃惊地盯着我看。stare at盯着看。

3．Your essay is too long. You'd better cut it down to about 1,000 words.

解析：考查动词短语。句意：你的文章太长了，你最好把它删到1 000字左右。cut down 削减。

4．After ten years of hard work，they at last got out of debt.

解析：考查固定搭配。句意：10年的艰辛劳作之后，他们最终摆脱了债务。get out of debt 不欠债。

5．The girl has put on weight recently，which makes her sad.

解析：考查动词时态。句意：这个女孩近来胖了，她很难过。put on weight增加体重。

6．The other day we paid(pay) a visit to the West Lake.

解析：考查动词时态。the other day与一般过去时连用。

7．Being a disabled man，he has difficulty (in)_earning(earn) his living.

解析：考查非谓语动词。have difficulty(in) doing sth.做某事有困难。

8．Not earning enough money this month，I had to cut down my expenses.

解析：考查动词短语。句意：由于这个月没有挣够钱，我不得不减少开支。cut down减少。

9．A large sum of money has been raised for the benefit of the poorly-educated children in the mountainous areas.

解析：考查介词。句意：为帮助山区那些受教育程度很低的孩子，人们募捐了大量的钱。for the benefit of sb.为了某人的利益，为帮助某人。

10．To our joy，the operation is a success and the patient is now out of danger.

解析：考查冠词和固定搭配。句意：令我们高兴的是，手术成功了并且病人现在脱离了危险。a success一件成功的事，在这里success为抽象名词具体化；out of danger为固定搭配，意思为“脱离危险”。

Ⅱ.单句改错

1．It is said that his new book was ∧

great success.

a

解析：考查冠词。句意：据说他的新书获得了巨大的成功。success在此作可数名词，表示“成功的事物或人”，其前用不定冠词a。

2．I was just reading a book while

she came into my room.

when

解析：考查when的用法。句意：我正在看书，这时她走进我房间。根据句意可知，此处用when构成were/was doing…when…句型。

3．She looked out of the window，sighed

for her lost youth.

sighing

解析：考查非谓语动词。句意：她看着窗外，为她逝去的青春惋惜。分析句子结构可知，She与sigh之间是逻辑上的主谓关系，故此处要用动词-ing形式作伴随状语。

4．His father advised him not ∧

drive too fast，but he didn't listen.

to

解析：考查advise的用法。句意：他父亲劝他不要开太快，但是他不听。advise sb.(not) to do sth.为固定搭配，意为“劝告某人(不要)做某事”，动词不定式在此作宾语补足语。

5．I came across a friend of mine in the Friendship Department Store ∧

other day.

the

解析：考查固定短语。句意：不久前的一天我在友谊百货商店遇见了我的一位朋友。the other day不久前的一天，前几天。

6．Don't you think it would be nicer if you lose

weight?

lost

解析：考查虚拟语气。句意：难道你不认为如果你减肥的话，会更好一些吗？根据句意并分析句子结构可知，if引导的从句要用虚拟语气，表示与现在情况相反的一种假设，从句中的谓语动词用一般过去时，若谓语动词是be动词，则用were。

at the room as if expecting a challenge.

7．At that time，the little boy glares

glared