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【单选题】
黄酮类化合物具有( )基本骨架。
A.
酮
B.
2－苯基色原酮
C.
黄色的酮类
D.
C6-C3-C6
E.
以上均不是
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参考答案：
举一反三
【单选题】听力原文：M: I'm no expert. But that noise in your refrigerator doesn't sound good. Maybe you should call and have it checked out. W: You are right. And I suppose I've put it off long enough. Q: What will ...
A.
She is going to put it off.
B.
She won't do anything.
C.
She will check it out by herself.
D.
She is going to follow the man's advice.
查看完整题目与答案
【单选题】对股票或者公司债券上市交易的公司,应当向国务院证券监督管理机构的证券交易所提交中期报告的期限,应当是( )。
A.
每一会计年度上半年结束时
B.
每一会计年度上半年结束之日起2个月内
C.
每一会计年度结束时
D.
每一会计年度结束之日起4个月内
查看完整题目与答案
【单选题】听力原文：M: Have you had that new flu that's going around? W: No, but I hear it's spreading like wildfire. Q: What are the man and the woman discussing? (4)
A.
Burns that spread over the entire body.
B.
A disease that causes severe burns.
C.
A recent fire in the area.
D.
Contagious disease.
查看完整题目与答案
【单选题】That was so serious a matter that I had no choice but ______ the police.
A.
called in
B.
calling in
C.
call in
D.
to call m
查看完整题目与答案
【单选题】I had no ( ) staying at home because I have no money.
A.
alternate to
B.
alternative to
C.
alternate by
D.
alternative by
查看完整题目与答案
【单选题】I ’ m no , but that noise in your refrigerator doesn’t sound right.
A.
expert
B.
content
C.
plate
D.
frame
查看完整题目与答案
【单选题】听力原文：M: I'm no expert, but that noise in your refrigerator doesn't sound right. Maybe you should have it fixed. W: You're right. And I suppose I've put it off long enough. Q: What will the woman proba...
A.
Switch off the refrigerator for a while.
B.
Have someone repair the refrigerator.
C.
Ask the man to fix the refrigerator.
D.
Buy a refrigerator of better quality.
查看完整题目与答案
【单选题】I have no ____, which means I have no brothers or sisters.
A.
twins
B.
octuplets
C.
siblings
查看完整题目与答案
【单选题】听力原文：M: Sarah, did you have a chance to buy that new novel you wanted? W: No, but I had Doris get it for me. Q: What does Sarah say about the novel? (17)
A.
Doris wrote it for her.
B.
She didn't want Doris to borrow it.
C.
She enjoyed it but Doris didn't
D.
Doris purchased it for her.
查看完整题目与答案
【单选题】股票或者公司债券上市交易的公司，应当在每一会计年度上半年结束之日起( )个月内，提交中期报告。
A.
2
B.
3
C.
5
D.
6
查看完整题目与答案
相关题目：
【单选题】听力原文：M: I'm no expert. But that noise in your refrigerator doesn't sound good. Maybe you should call and have it checked out. W: You are right. And I suppose I've put it off long enough. Q: What will ...
A.
She is going to put it off.
B.
She won't do anything.
C.
She will check it out by herself.
D.
She is going to follow the man's advice.
查看完整题目与答案
【单选题】对股票或者公司债券上市交易的公司,应当向国务院证券监督管理机构的证券交易所提交中期报告的期限,应当是( )。
A.
每一会计年度上半年结束时
B.
每一会计年度上半年结束之日起2个月内
C.
每一会计年度结束时
D.
每一会计年度结束之日起4个月内
查看完整题目与答案
【单选题】听力原文：M: Have you had that new flu that's going around? W: No, but I hear it's spreading like wildfire. Q: What are the man and the woman discussing? (4)
A.
Burns that spread over the entire body.
B.
A disease that causes severe burns.
C.
A recent fire in the area.
D.
Contagious disease.
查看完整题目与答案
【单选题】That was so serious a matter that I had no choice but ______ the police.
A.
called in
B.
calling in
C.
call in
D.
to call m
查看完整题目与答案
【单选题】I had no ( ) staying at home because I have no money.
A.
alternate to
B.
alternative to
C.
alternate by
D.
alternative by
查看完整题目与答案
【单选题】I ’ m no , but that noise in your refrigerator doesn’t sound right.
A.
expert
B.
content
C.
plate
D.
frame
查看完整题目与答案
【单选题】听力原文：M: I'm no expert, but that noise in your refrigerator doesn't sound right. Maybe you should have it fixed. W: You're right. And I suppose I've put it off long enough. Q: What will the woman proba...
A.
Switch off the refrigerator for a while.
B.
Have someone repair the refrigerator.
C.
Ask the man to fix the refrigerator.
D.
Buy a refrigerator of better quality.
查看完整题目与答案
【单选题】I have no ____, which means I have no brothers or sisters.
A.
twins
B.
octuplets
C.
siblings
查看完整题目与答案
【单选题】听力原文：M: Sarah, did you have a chance to buy that new novel you wanted? W: No, but I had Doris get it for me. Q: What does Sarah say about the novel? (17)
A.
Doris wrote it for her.
B.
She didn't want Doris to borrow it.
C.
She enjoyed it but Doris didn't
D.
Doris purchased it for her.
查看完整题目与答案
【单选题】股票或者公司债券上市交易的公司，应当在每一会计年度上半年结束之日起( )个月内，提交中期报告。
A.
2
B.
3
C.
5
D.
6
查看完整题目与答案
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