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【单选题】
超滤膜是分离膜技术中的一部分，它是介于微滤和纳滤之间的一种膜过程，笼统地讲，超滤膜孔径在（ ）之间A.
1nm～0.1μm
B.
0.1nm～0.1μm
C.
1nm～1μm
D.
0.1nm～0.1μm
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【简答题】教材P97第二题
【简答题】请根据讨论区内的帖子“ 讨论 5.4 Section 4: Passive voice”的6个步骤将主动语态变为被动语态的说明(如下面所列),将下面的句子变为被动语态。 The government set up a special class in this school to help poor readers last year. - Step 1:确定句子中的主语,动词和宾语。 - Ste...
【单选题】Jack admitted that he ought not to have taken away the book, ______ ?
A.
oughtn't he
B.
ought he
C.
did he
D.
didn't he
【单选题】—Jack is always studying hard and does well in all subjects. —No wonder he ________ to be admitted to Beijing University.
A.
is expecting
B.
will be expected
C.
is expected
D.
will expect
【简答题】I 重点句式 1 、 I ______________ because I want you to live ____________________________ I have. 真希望你能那样做,因为我盼着你也能像我一样长寿健康。 (1) do hope“ 的确希望”, do 用来强调谓语动词 hope 。 ❶ 在一般句型中, do (does, did) 常用来 强调谓语动 词的语气,在句...
【单选题】Jack admitted that he ought not to have made his mother angry, ______?
A.
oughtn't he
B.
wasn't he
C.
didn't he
D.
hadn't he
【单选题】He required that Jack ______ admitted to hospital immediately.
A.
was
B.
be
C.
being
D.
been
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