1.选择题- (共11题)
9.
摩托罗拉公司研发了一种由甲醇为原料的新型手机电池,其容量为锂电池的10倍,可连续使用一个月才充一次电,其电池反应原理为:
2CH3OH + 3X + 4NaOH == 2Na2CO3 + 6H2O
其中X的化学式为( )
10.
摩托罗拉公司研发了一种由甲醇为原料的新型手机电池,其容量为锂电池的10倍,可连续使用一个月才充一次电,其电池反应原理为:
2CH3OH + 3X + 4NaOH == 2Na2CO3 + 6H2O
其中X的化学式为( )
11.
摩托罗拉公司研发了一种由甲醇为原料的新型手机电池,其容量为锂电池的10倍,可连续使用一个月才充一次电,其电池反应原理为:
2CH3OH + 3X + 4NaOH == 2Na2CO3 + 6H2O
其中X的化学式为( )
2.单项选择- (共7题)
12.
Shanghai is really a fascinating city and we’ve decided to stay for ______ two weeks.
A.another | B.other | C.the other | D.other’s |
13.
After ______silence of several minutes, he came towards her and said, “I have struggled with my feelings , but without ______success!”
A.a; the | B.the; a | C.不填; a | D.a; 不填 |
14.
.Who is it up __________the first company __________is run by the state?
.Who is it up __________the first company __________is run by the state?
A.to take charge of;which | B.to to take charge of;that |
C.for to take charge of;that | D.to to taking charge of;which |
15.
.——The English teacher spoke so fast that I couldn't ________ what he said.
——He said there would be a discussion ________ the lecture.
.——The English teacher spoke so fast that I couldn't ________ what he said.
——He said there would be a discussion ________ the lecture.
A.understand; being followed by | B.follow; following |
C.catch; to be followed | D.hear; followed by |
16.
. _______ ill in bed for nearly a month, he had a hard time ______ the exam.
. _______ ill in bed for nearly a month, he had a hard time ______ the exam.
A.Being, to pass | B.As he is, to pass |
C.He was, passing | D.Having been, passing |
17.
Knowing _____, as a matter of fact, one shouldn’t know is a terrible thing.
Knowing _____, as a matter of fact, one shouldn’t know is a terrible thing.
A.whether | B.that | C.what | D.when |
试卷分析
-
【1】题量占比
选择题:(11道)
单项选择:(7道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:0
7星难题:0
8星难题:7
9星难题:0