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【单选题】
设f(x)的导数在x＝a处连续，又 则( )．
A.
x＝a是f(x)的极小值点
B.
x＝a是f(x)极大值点
C.
(af(a))是曲线y＝f(x)的拐点
D.
x＝a不是f(x)的极值点，(af(a))也不是曲线y＝f(x)的拐点
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参考答案：
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【单选题】What detail in the article shows that the mummies can help Egypt?
A.
The mummies were of big cats like lions. There were mummies of cobras and crocodiles, too.
B.
There are mummies of cats, birds and a big bug. The bug is much bigger than normal.
C.
Leaders hope the mummies will get people excited about Egypt. They want people to visit.
D.
She is also a mummy expert. She said Egyptians used to offer things to gods.
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【单选题】What detail in the article shows that Fusarium moved around a lot?
A.
The fungus was found on about 432 acres
B.
They can stay in the dirt for years, Staver said.
C.
The fungus will not move around freely now, Staver said.
D.
This is not the first time this has happened.
查看完整题目与答案
【单选题】党员在留党察看期间没有表决权、选举权和被选举权。党员经过留党察看，确已改正错误的，应当恢复其党员的权力，留党察看期最长不超过()年。
A.
半年
B.
一年
C.
两年
D.
三年
查看完整题目与答案
【单选题】既能止血,又能活血化瘀之药组是
A.
三七，白及
B.
槐花，白及
C.
藕节，血余炭
D.
蒲黄，茜草
E.
三七，侧柏叶
查看完整题目与答案
【单选题】下列表述中，正确的是( )。
A.
党员在留党察看期间没有表决权、选举权和被选举权
B.
党员在留党察看期间没有表决权，但有选举权和被选举权
C.
党员在留党察看期间有表决权，但没有选举权和被选举权
查看完整题目与答案
【单选题】What detail in the article shows how the hats stay on the birds' heads?
A.
They were wearing little cowboy hats.
B.
Glue was used to keep the hats on.
C.
He was trying to get the hat off, she said.
D.
Still, no one knows who put the hats on the birds.
查看完整题目与答案
【单选题】What detail in the article shows that rock music had a bad effect on ladybugs?
A.
He played loud music to ladybugs. He wanted to see what they would do.
B.
Ladybugs eat aphids. Aphids are smaller bugs.
C.
Then they would eat fewer aphids. Then the crops would not grow well.
D.
Rock music is not usually played loudly in a farm field.
查看完整题目与答案
【单选题】What detail in the article shows what scientists learned about the ocean by following the seals wearing sensors?
A.
They know seals are great swimmers.
B.
They know currents send heat deep into the sea.
C.
Scientists found out heat goes up, too.
D.
Ms. Siegelman said seals go deep even while sleeping.
查看完整题目与答案
【多选题】铺装楼地面石材时,以下做法正确的是( )
A.
找平层使用干硬性水泥砂浆
B.
水泥砂浆找平层硬结后再铺石材
C.
先铺纵横标筋，在分段分区后退铺贴
D.
铺石材后立即进行灌浆处理
E.
浅色石材使用白水泥做粘结层
查看完整题目与答案
【单选题】What detail in the article shows how a concussion can affect a person?
A.
He has also had a concussion.
B.
They also cause vomiting and trouble sleeping.
C.
Multiple concussions are even worse.
D.
Luck also hurt his leg and ankle this year.
查看完整题目与答案
相关题目：
【单选题】What detail in the article shows that the mummies can help Egypt?
A.
The mummies were of big cats like lions. There were mummies of cobras and crocodiles, too.
B.
There are mummies of cats, birds and a big bug. The bug is much bigger than normal.
C.
Leaders hope the mummies will get people excited about Egypt. They want people to visit.
D.
She is also a mummy expert. She said Egyptians used to offer things to gods.
查看完整题目与答案
【单选题】What detail in the article shows that Fusarium moved around a lot?
A.
The fungus was found on about 432 acres
B.
They can stay in the dirt for years, Staver said.
C.
The fungus will not move around freely now, Staver said.
D.
This is not the first time this has happened.
查看完整题目与答案
【单选题】党员在留党察看期间没有表决权、选举权和被选举权。党员经过留党察看，确已改正错误的，应当恢复其党员的权力，留党察看期最长不超过()年。
A.
半年
B.
一年
C.
两年
D.
三年
查看完整题目与答案
【单选题】既能止血,又能活血化瘀之药组是
A.
三七，白及
B.
槐花，白及
C.
藕节，血余炭
D.
蒲黄，茜草
E.
三七，侧柏叶
查看完整题目与答案
【单选题】下列表述中，正确的是( )。
A.
党员在留党察看期间没有表决权、选举权和被选举权
B.
党员在留党察看期间没有表决权，但有选举权和被选举权
C.
党员在留党察看期间有表决权，但没有选举权和被选举权
查看完整题目与答案
【单选题】What detail in the article shows how the hats stay on the birds' heads?
A.
They were wearing little cowboy hats.
B.
Glue was used to keep the hats on.
C.
He was trying to get the hat off, she said.
D.
Still, no one knows who put the hats on the birds.
查看完整题目与答案
【单选题】What detail in the article shows that rock music had a bad effect on ladybugs?
A.
He played loud music to ladybugs. He wanted to see what they would do.
B.
Ladybugs eat aphids. Aphids are smaller bugs.
C.
Then they would eat fewer aphids. Then the crops would not grow well.
D.
Rock music is not usually played loudly in a farm field.
查看完整题目与答案
【单选题】What detail in the article shows what scientists learned about the ocean by following the seals wearing sensors?
A.
They know seals are great swimmers.
B.
They know currents send heat deep into the sea.
C.
Scientists found out heat goes up, too.
D.
Ms. Siegelman said seals go deep even while sleeping.
查看完整题目与答案
【多选题】铺装楼地面石材时,以下做法正确的是( )
A.
找平层使用干硬性水泥砂浆
B.
水泥砂浆找平层硬结后再铺石材
C.
先铺纵横标筋，在分段分区后退铺贴
D.
铺石材后立即进行灌浆处理
E.
浅色石材使用白水泥做粘结层
查看完整题目与答案
【单选题】What detail in the article shows how a concussion can affect a person?
A.
He has also had a concussion.
B.
They also cause vomiting and trouble sleeping.
C.
Multiple concussions are even worse.
D.
Luck also hurt his leg and ankle this year.
查看完整题目与答案
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