1.The computer of this kind can work ______ than the one of that kind. 【 D 】
A. hundred of times faster
B. a hundred time faster
C. hundred times faster
D. hundreds of times faster
【答案解析】:表示“数百”、“数千”、“数百万”等不确切数目时,要用hundreds / thousands / millions of结构表示。D中hundreds of times意思是“数百倍”。答案为D.
2.When I was young, my grandmother told me that the earth ______ round. 【 A 】
A. is
B. was
C. has been
D. had been
【答案解析】:the earth is round是客观真理,所以不管句子其它部分用什么时态,这个句子都用一般现在时。
3.—Do you know Jack well?
—Certainly. We ______ friends since ten years ago. 【 D 】
A. were
B. have made
C. have become
D. have been
【答案解析】:根据句意可知应该用完成时,所以A答案错误。have been…表示状态,可以和表示一段时间的短语连用。have made和have become都是瞬间动词,不能和表示一段时间的短语连用。
4.These hamburgers ______ nice, so they have all ______ out. 【 C 】
A. taste, sell
B. are tasted, sell
C. taste, been sold
D. are tasted, been sold
【答案解析】:taste是系动词,taste nice构成系表结构,不用被动语态。但第二个空格处应该用被动语态,因为hamburgers与sell out之间是被动的关系。所以答案是C.
5.We now have ______ fast ways of traveling that this big ocean seems to have grown smaller. 【 B 】
A. so
B. such
C. so a
D. such a
【答案解析】:such可以修饰可数名词单复数和不可数名词,名词前可以有形容词作定语,其结构是“such +a/an+形容词+可数名词单数”,“such+形容词+可数名词复数/不可数名词”。
6.I do not wish to ______ your sincerity. 【 B 】
A. reflect
B. reflect on
C. reflect in
D. reflect about
【答案解析】:reflect on:思索,思考,有时表示“怀疑”。根据句意,应该选reflect on.
7.The smog is due ______ invisible gases, mostly from automobile exhaust. 【 B 】
A. from
B. to
C. for
D. with
【答案解析】:due to是固定搭配,意思是:归因于,由于。
8.______ is accepted as true is relatively, and not absolutely, true. 【 C 】
A. It
B. That
C. What
D. That it
【答案解析】:本句中,what is accepted as true是主语从句,在句子中作主语。
9.How can you keep the machine ______ when you‘re away? 【 C 】
A. run
B. to run
C. running
D. being run
【答案解析】:keep sb doing sth:使某人持续做某事。
10.Because of his degree, he refused to do ______ he thought “low” work. 【 B 】
A. that
B. what
C. which
D. who
【答案解析】:what在本句中引导do的宾语从句。
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