语法练习专栏 ３_CET语法
1.the statue is believed _____ by a professional thief a couple of weeks ago.
a.to have stolen
b.to be stolen
c.having been stolen
d.to have been stolen
2.although it is recognized that meaning is constructed by the reader, it is nevertheless essential that the writer’s message _____ accurately.
a.would receive
b.be received
c.will receive
d.had received
1.d
在"sb/sth is/was believe/said/reported----"结构中，其后一定要用动词不定式，因为该句主语式动作"steal"的承受者，同时"steal"发生在"believe"之前所以不定式要求用完成时的被动结构。
2.b
虚拟语气的一种，要用"(should)+动词原形"
it is necessary that----
it is desired that -----
it is requested that----
it is essential that----
it is important that----等等。
1.i hope he won’t be _____ weak _____ yield.
a.as---as to
b.so---as to
c.so---as for
d.sucn----as to
2.the pilot lost contact with the military base, ____ the plane crashed in the desert.
a.among which
b.for which
c.by means of which
d.as the result of which
1.b
"so---as to" 如此---以至于，放在句中说得通。在as---as结构中，后一个as通常接名词或代词。c,d不存在。
2.d
从句意判断这是飞机失事的原因，并且是非限制性定语从句。
1.teachers can hardly be _____ careful when they instruct a lesson.
a.very
b.enough
c.too
d.so
2.you _____ to the meeting to discuss the matter if you were really serious about your work.
a.ought to come
b.ought to have come
c.must come
d.must have come
1.c
too和前面的否定词搭配，表示“再……也不过分”。a，d放入不和常理。enough应放在形容词或副词后面。
2.b
条件从句使用了过去时，主句显然在谈过去应该做但没有做到的事情，选b。
a.to have stolen
b.to be stolen
c.having been stolen
d.to have been stolen
2.although it is recognized that meaning is constructed by the reader, it is nevertheless essential that the writer’s message _____ accurately.
a.would receive
b.be received
c.will receive
d.had received
1.d
在"sb/sth is/was believe/said/reported----"结构中，其后一定要用动词不定式，因为该句主语式动作"steal"的承受者，同时"steal"发生在"believe"之前所以不定式要求用完成时的被动结构。
2.b
虚拟语气的一种，要用"(should)+动词原形"
it is necessary that----
it is desired that -----
it is requested that----
it is essential that----
it is important that----等等。
1.i hope he won’t be _____ weak _____ yield.
a.as---as to
b.so---as to
c.so---as for
d.sucn----as to
2.the pilot lost contact with the military base, ____ the plane crashed in the desert.
a.among which
b.for which
c.by means of which
d.as the result of which
1.b
"so---as to" 如此---以至于，放在句中说得通。在as---as结构中，后一个as通常接名词或代词。c,d不存在。
2.d
从句意判断这是飞机失事的原因，并且是非限制性定语从句。
1.teachers can hardly be _____ careful when they instruct a lesson.
a.very
b.enough
c.too
d.so
2.you _____ to the meeting to discuss the matter if you were really serious about your work.
a.ought to come
b.ought to have come
c.must come
d.must have come
1.c
too和前面的否定词搭配，表示“再……也不过分”。a，d放入不和常理。enough应放在形容词或副词后面。
2.b
条件从句使用了过去时，主句显然在谈过去应该做但没有做到的事情，选b。
a.will become
b.is going to become
c.will have become
d.is to have become
2.i really appreciate _____ to help me,but i am sure that i will be able to
;manage it by myself.
a.you to offer
b.that you offer
c.your offering
d.you to have offered
1.c
by后跟将来时间上的一点时，主句要用将来完成时。
2.c
appreciate 后更名词或动名词，动名词前可用动作发出者相关的形容词性物主代词。
1.greater efforts to increase agricultrual production must be made if food shortage _____ avoided.
a.will be
b.is to be
c.can be
d.may be
2.the people who objected to building the new airport were told that since work had already started there was no point_____.
a.in protesting
b.to protest
c.for protesting
d.against protesting
1.b
本题考查“a/is/are+动词原形”的用法。该形式用来表示，必须或要进行的动作。因为主句口气坚定，所以c d应排除。在表示将来的条件从句中不能出现“will,shall”.
2.a
一种固定搭配，thereis no point in doing sth.
a.to have stolen
b.to be stolen
c.having been stolen
d.to have been stolen
2.although it is recognized that meaning is constructed by the reader, it is nevertheless essential that the writer’s message _____ accurately.
a.would receive
b.be received
c.will receive
d.had received
1.d
在"sb/sth is/was believe/said/reported----"结构中，其后一定要用动词不定式，因为该句主语式动作"steal"的承受者，同时"steal"发生在"believe"之前所以不定式要求用完成时的被动结构。
2.b
虚拟语气的一种，要用"(should)+动词原形"
it is necessary that----
it is desired that -----
it is requested that----
it is essential that----
it is important that----等等。
1.i hope he won’t be _____ weak _____ yield.
a.as---as to
b.so---as to
c.so---as for
d.sucn----as to
2.the pilot lost contact with the military base, ____ the plane crashed in the desert.
a.among which
b.for which
c.by means of which
d.as the result of which
1.b
"so---as to" 如此---以至于，放在句中说得通。在as---as结构中，后一个as通常接名词或代词。c,d不存在。
2.d
从句意判断这是飞机失事的原因，并且是非限制性定语从句。
1.teachers can hardly be _____ careful when they instruct a lesson.
a.very
b.enough
c.too
d.so
2.you _____ to the meeting to discuss the matter if you were really serious about your work.
a.ought to come
b.ought to have come
c.must come
d.must have come
1.c
too和前面的否定词搭配，表示“再……也不过分”。a，d放入不和常理。enough应放在形容词或副词后面。
2.b
条件从句使用了过去时，主句显然在谈过去应该做但没有做到的事情，选b。
1.the statue is believed _____ by a professional thief a couple of weeks ago.
a.to have stolen
b.to be stolen
c.having been stolen
d.to have been stolen
2.although it is recognized that meaning is constructed by the reader, it is nevertheless essential that the writer’s message _____ accurately.
a.would receive
b.be received
c.will receive
d.had received
1.d
在"sb/sth is/was believe/said/reported----"结构中，其后一定要用动词不定式，因为该句主语式动作"steal"的承受者，同时"steal"发生在"believe"之前所以不定式要求用完成时的被动结构。
2.b
虚拟语气的一种，要用"(should)+动词原形"
it is necessary that----
it is desired that -----
it is requested that----
it is essential that----
it is important that----等等。
1.i hope he won’t be _____ weak _____ yield.
a.as---as to
b.so---as to
c.so---as for
d.sucn----as to
2.the pilot lost contact with the military base, ____ the plane crashed in the desert.
a.among which
b.for which
c.by means of which
d.as the result of which
1.b
"so---as to" 如此---以至于，放在句中说得通。在as---as结构中，后一个as通常接名词或代词。c,d不存在。
2.d
从句意判断这是飞机失事的原因，并且是非限制性定语从句。
1.teachers can hardly be _____ careful when they instruct a lesson.
a.very
b.enough
c.too
d.so
2.you _____ to the meeting to discuss the matter if you were really serious about your work.
a.ought to come
b.ought to have come
c.must come
d.must have come
1.c
too和前面的否定词搭配，表示“再……也不过分”。a，d放入不和常理。enough应放在形容词或副词后面。
2.b
条件从句使用了过去时，主句显然在谈过去应该做但没有做到的事情，选b。
1.by the end of this century,air pollution _____ an extremely serious problem that harms the health of the human race.
a.will become
b.is going to become
c.will have become
d.is to have become
2.i really appreciate _____ to help me,but i am sure that i will be able to
;manage it by myself.
a.you to offer
b.that you offer
c.your offering
d.you to have offered
1.c
by后跟将来时间上的一点时，主句要用将来完成时。
2.c
appreciate 后更名词或动名词，动名词前可用动作发出者相关的形容词性物主代词。
1.greater efforts to increase agricultrual production must be made if food shortage _____ avoided.
a.will be
b.is to be
c.can be
d.may be
2.the people who objected to building the new airport were told that since work had already started there was no point_____.
a.in protesting
b.to protest
c.for protesting
d.against protesting
1.b
本题考查“a/is/are+动词原形”的用法。该形式用来表示，必须或要进行的动作。因为主句口气坚定，所以c d应排除。在表示将来的条件从句中不能出现“will,shall”.
2.a
一种固定搭配，thereis no point in doing sth.