【单选题】【消耗次数：1】
If he_____the storekeepers scissors,he would have forgotten to buy a pair.
①
would not see
②
had not seen
③
having not seen
④
has not seen
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相关题目
【单选题】
“ Has he seen this film ? ” “Yes. He _________ it several days ago.”
①
saw
②
has seen
③
had seen
④
was seeing
【单选题】
“ Has he seen this film ? ” “Yes. He______ it several days ago.”
①
saw
②
has seen
③
had seen
④
was seeing
【单选题】
9.“Has he seen this film?” “Yes. He _______ it several days ago.”
①
saw
②
has seen
③
had seen
④
was seeing
【单选题】
He looked at the little girl, _________ where he had seen her before.
①
wondering
②
wondered
【单选题】
Zhang Hua opened the door .There______ he had never seen before.
①
did a girl stand
②
stood a girl
③
a girl stood
④
a girl did stand
【单选题】
Having no money but _______ to know, he simply said he would go without dinner.
①
not to want anyone
②
not wanting anyone
③
wanted no one
④
to want no one
【单选题】
3. He had to ______ his past actions when he retired, or he would be punished.
①
consider
②
account for
③
think
④
popular
【单选题】
The students union has seen a growing ( ) to over several hundred.
①
crowd
②
public
③
population
④
membership
【单选题】
It was not until he arrived in class _____ realized he had forgotten his book.
①
when he
②
that he
③
and he
④
he
随机题目
【单选题】
下列各组量子数中，合理的一组是
①
n=3，l=1，m=+1，ms=+1/2
②
n=4，l=5，m=-1，ms= +1/2
③
n=3，l=3，m=+1，ms=-1/2
④
n=4，l=2，m=+3，ms= -1/2
【单选题】
<img src="https://file.icve.com.cn/doc_public4/989/827/F74CEC91F8773610A0081FDDBAEDA96C.jpg" title="1.jpg" alt="1.jpg"/>标准状态下电池电动势为0.15V，某浓度时反应的电池电动势为0.60V，则该反应的lgKq值是 ( )
①
<img src="https://file.icve.com.cn/doc_public4/45/641/0B5A054572D0F3185580A2A108362B28.jpg" title="1.jpg" alt="1.jpg">
②
<img src="https://file.icve.com.cn/doc_public4/1006/353/FBB585F16E7DFA6DEB00FFA20C26D135.jpg" title="1.jpg" alt="1.jpg">
③
<img src="https://file.icve.com.cn/doc_public4/804/426/C936AB1E5C2C9B1C98C6EE6A6D1CD296.jpg" title="1.jpg" alt="1.jpg">
④
<img src="https://file.icve.com.cn/doc_public4/227/873/38DDA5BD68B52E061ACC461DF1C7F95B.jpg" title="1.jpg" alt="1.jpg">
【单选题】
室温下，下列既能使KMnO4溶液褪色，又能使溴的CCl4溶液褪色的是
①
<img title="1.png" alt="1.png" src="https://file.icve.com.cn/doc_public4/524/670/831A786E2A28865E85B76D628F4EAB1E.png">
②
<img title="2.png" alt="2.png" src="https://file.icve.com.cn/doc_public4/1003/960/FAEF014B2EA0AF35A92E06331CDDBB0C.png">
③
<img title="3.png" alt="3.png" src="https://file.icve.com.cn/doc_public4/669/306/A774CB5990A59CC8173FFDD9F39228B9.png">
④
<img title="4.png" alt="4.png" src="https://file.icve.com.cn/doc_public4/584/216/9223634992C7820F4B30C89A47A32794.png">
【单选题】
向原电池（-）Zn│Zn2＋(1 mol.dm-3 )‖Cu2＋(1 mol.dm-3 )│Cu（+）的正极中通入H2S 气体，则电池的电动势将 ( )
①
增大
②
减小
③
不变
④
无法判断