专业英语四级（语法与词汇）模拟试卷381 (题后含答案及解析)
题型有： 3. LANGUAGE KNOWLEDGE
PART III LANGUAGE KNOWLEDGEThere are twenty sentences in this section. Beneath each sentence there are four words, phrases or statements marked [A], [B], [C] and [D]. Choose one word, phrase or statement that best completes the sentence.
1． The object in the sentence “She wishes to learn English from you” is
A．she.
B．English.
C．from you.
D．to learn English from you.
正确答案：D
解析：考查不定式的用法。句中不定式to learn English from you用作动词wishes的宾语，答案为D。 知识模块：语法与词汇
2． The patient will lose his sight ______ left untreated.
A．since
B．unless
C．after
D．if
正确答案：D
解析：连词的用法。if“如果”引导条件状语从句，由于从句主语与主句主语一致，从句的主语和be动词省略了，D正确。A和C选项都不能表示假设；B项unless”除非”，等于if not，与if意思正相反。 知识模块：语法与词汇
3． If not ______ equally, Jack will frankly express his dissatisfaction.
A．treated
B．having been treated
C．being treated
D．be treated
正确答案：A
解析：从句的省略。当条件状语从句的主语与主句主语一致，并且从句谓语含有be时，可以将从句主语和be一并省略。该条件句可以改为If Jack is not treated equally．．．，其他选项都不符合省略要求。 知识模块：语法与词汇
4． —______ made his daughter so absent-minded this morning? —I don’t know. Maybe it was the gift.
A．What does it
B．What was it
C．What does it that
D．What was it that
正确答案：D
解析：这是强调句的特殊疑问句形式，被强调成分为what。Maybe it was the gift．完整表达是Maybe it was the gift that made his daughter so absent-minded this morning．what是对其中的the gift提问而得的，因此选D。 知识模块：语法与词汇
5． You ______ business asking him to do such a thing.
A．have none
B．have no
C．have none of the
D．have nothing like
正确答案：B
解析：have no business doing/to do sth.意为“没有权力，没有理由做某事”，因此答案为B。 知识模块：语法与词汇
6． Which of the following sentences expresses a passive meaning?
A．Bell invented the telephone in 1876.
B．The theory of relativity is hard to explain.
C．I’m sorry to have given you so much trouble.
D．I asked Professor Xu how to learn English well.
正确答案：B
解析：当不定式作表语形容词(或宾补)的状语，又与句中的主语(或宾语)有逻辑上的动宾关系时，常用主动形式表被动意义，如：We found the subject hard to understand．(不定式t
o understand修饰hard，与句中宾语the subject有逻辑上的动宾关系。)四个选项中只有B属于此用法，相当于hard to be explained。其他选项均为主动意义。 知识模块：语法与词汇
7． There is no doubt ______ buying things online makes life a little easier.
A．whether
B．that
C．why
D．when
正确答案：B
解析：同位语从句引导词。doubt在否定句中(there is no doubt．．．)带同位语从句时引导词通常是that；在肯定句中(there is some doubt．．．)则一般用whether，因此答案为B。 知识模块：语法与词汇
8． This is the small house less than 15 square metres, under ______ roof lives a large family of three generations.
A．which
B．that
C．as
D．whose
正确答案：D
解析：考查定语从句关系代词的使用。此题容易因空格前的介词under误选A。这是一个倒装句式，正常语序是a large family of three generations lives under——roof，因此应填人表示能所有格的关系代词whose，指代the small house’s。 知识模块：语法与词汇
9． Looking at what he has done for those disabled children, one ______ forgive his sin.
A．cannot
B．cannot help
C．cannot but
D．cannot to
正确答案：C
解析：cannot but意为“不能不，不由得不”，后接不带to的不定式，即cannot but do sth．，类似用法的还有might as well，cannot choose but，do no more than等。A用在此处意为“不能原谅”，不符合语境；B为cannot help do sth．结构，表示“不能帮助做某事”；D表达错误；答案为C。 知识模块：语法与词汇
10． Hydrogen, which is ______ than oil, is pretty easy to produce and does no harm to the environment.
A．much energy more abundant source
B．an energy source more abundant
C．a much more energy abundant source
D．a much more abundant energy source
正确答案：D
解析：energy source意为“能源”，此名词词组前用abundant修饰，表示“丰富的能源”。abundant前又由比较级much more修饰，从而与空格后的than呼应，因此答案为D。 知识模块：语法与词汇
object to11． The government has tried to forge ______ with environmentalists.
A．alliances
B．allies
C．associations
D．leagues
正确答案：A
解析：政府试图与环保主义者结成联盟。A．alliances指国家、团体、家族等之间为了共同的目的和利益而结成的“联盟，同盟，同盟国”，本题指政府与环保主义者的结盟。
B．allies尤指支持一国战争的“盟国，同盟成员”。
C．associations“协会”，指为了一个较严肃的共同目标而组织在一起的人，亦指人们间的联系。
D．leagues指各种势力为同一目标而结成的联盟，还可指各种球类的竞赛联合会。 知识模块：语法与词汇
12． The weeds were abloom with tiny purple blossoms and gave forth an overpowering ______.
A．smell
B．scent
C．perfume
D．fragrance
正确答案：D
解析：杂草开着小小的紫花朵，透出醉人的芳香。A smell即为嗅到的气味，强调加在嗅觉器官上的效果．有时亦指难闻的气味．例如：There isalways some smell about him．他身上总有异味。
B．scent一般指物体本身发出的气味。例如：The orange has a scent all its own．橘子有一种独特的香味。
C．perfume则指较浓的香味，或指香水，例如：A woman who doesn’t wear perfume has nofuture．一个不喷香水的女人是没有未来的。
D．fragrance意为芬芳，尤指花香，颇具诗意，用在本题中正合适，例如：The air was full offragrance of violets．空气中散发着紫罗兰的香味。 知识模块：语法与词汇
13． All the rooms on the second floor have nicely ______ carpets, which are included in the price of the house.
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