高考英语必背单词a开头(高考英语核心词汇)(1)

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1. undertake v. 承担;许诺,答应

(1) She undertook ________ (pay) the money back in six months.

【答案】to pay

(2) That is one of the most challenge engineering projects they have ever ______.

A. undertaken B. understood C. focused on D. paid to

【答案】答案 A解析:undertake“承担;从事”,符合句意,此处需要用过去分词形式,故B项错误。

(3) Who do you think is the right person to ______ the task?

A. undergo B. undertake C. understand D. underline

【答案】答案 B解析:undertake the task表示“承担任务”为固定搭配。A、C、D均不与the task构成有意义的词组。

2. urge v. 竭力劝告;敦促;驱赶;推进 n. 冲动;迫切的要求

(1) There is an _________ (urge) need for food and water.

(2) Some countries understand the _________ (urge).

【答案】(1) urgent (2) urgency

(3) They urged that the library _____ open during the vacation.

A. must be kept B. is kept C. would be kept D. be kept

【答案】答案 D解析:urge后的宾语从句中常用虚拟语气,即(should) do。

(4) Since the matter was extremely ______, we dealt with it immediately.

A. tough B. tense C. urgent D. instant

【答案】答案 C解析:句意:由于事情非常紧急,我们当即进行了处理。urgent“紧急的”,tough“硬的”;tense“紧张的”;instant“迅速的”。

3. under construction正在建设之中

(1)The road is __________________(在修复).

(2)I’m glad to see that you have everything ______________________(在控制中).

(3)A:The question is under discussion.

B:The question is________ ________.

【答案】(1) under repair (2) under control (3) being discussed

(4)The firefighters soon got the fire in the building .

A.under attack B.under control

C.under construction D.under study

【答案】答案 B

解析 句意为:消防队员很快就控制住了楼里的大火。get...under control使……在控制中。

(5)The plan is currently .

A.discussed B.considered

C.under consideration D.under discuss

【答案】答案 C

解析 句意为:这个计划目前正在审议中。under consideration在考虑中,符合句意。

4. unless从句

(1)Owen wouldn’t eat anything______________________. 欧文不会吃任何东西,除非他自己做的。

【答案】unless he cooked it himself

(2)Don’t ask me to explain you really don’t understand.

A.unless   B.until C.if D.when

【答案】答案 A

解析 句意为:不要让我解释,除非你真的不明白。unless连词,意为“除非”。

(3) he has any objections,we will carry out the plan.

A.If B.Unless

C.Until D.That

【答案】答案 B

解析 句意为:除非他反对,否则我们将执行这一计划。unless连词,意为“除非,如果不”。

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