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【单选题】
下列关于乙烯的叙述中,不正确的是( )
A.
乙烯的化学性质比乙烷活泼
B.
乙烯燃烧时,火焰明亮,同时伴有黑烟
C.
乙烯可作香蕉等水果的催熟剂
D.
乙烯双键中的一个键可以断裂,容易发生取代反应
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参考答案：
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【单选题】数控系统的（）是数控系统用来匹配机床及数控功能的一系列数据。
A.
信号
B.
程序
C.
参数
D.
文件
查看完整题目与答案
【单选题】听力原文：M: What a relationship Mike and his wife have! W: Don't they? I hope my husband could care about me more and communicate more with me as Mike does to his wife. Q: What can be inferred about the w...
A.
She dislikes her husband.
B.
She admires Mike's relationship with his wife.
C.
She regrets to care little about her husband.
D.
She disagrees with the man.
查看完整题目与答案
【单选题】听力原文：M: Peggy's husband is certainly easygoing and friendly. W. Yes, the exact opposite of her brother. What is Peggy's brother imply?
A.
He is good natured.
B.
He is hard to please.
C.
He talks frankly.
D.
He is hard to get along with.
查看完整题目与答案
【单选题】关于咽的淋巴组织，下列说法不正确的是（）。
A.
咽部黏膜下淋巴组织丰富，较大淋巴组织团块呈环状排列，称为咽淋巴环
B.
咽部淋巴均流入颈深淋巴结
C.
内环淋巴流入颈部淋巴结，后者又自成一环，称为外环
D.
腺样体出生后会长期存在，为咽淋巴内环的一部分
E.
咽部的感染和肿瘤可由内环的淋巴组织扩散到外环的淋巴组织
查看完整题目与答案
【单选题】听力原文：W: Does your sister enjoy music? M: Very much. Her husband used to play in a symphony orchestra. And they have a lot in common. According to the man, who played in the orchestra?
A.
His sister.
B.
His sister and his sister's husband.
C.
His sister's husband.
D.
Neither his sister nor his sister' husband.
查看完整题目与答案
【单选题】听力原文：W: Yes. It was a year ago that my husband and I decided to change roles. M: Why did you suddenly think of exchanging roles? W: A year ago, I was beginning to get bored at home all day. My husband...
A.
Because she has been bored about the housework.
B.
Because she has got a job at a salary higher than her husband's.
C.
Because she wants to communicate with the people.
D.
Because she finds it interesting to work outside.
查看完整题目与答案
【单选题】数控系统的 ( ) 是数控系统用来匹配机床及数控功能的一系列数据
A.
信号
B.
程序
C.
文件
查看完整题目与答案
【单选题】数控系统的参数数控系统用来匹配机床及数控功能的一系列( )。
A.
程序
B.
参数
C.
数据
D.
文件
查看完整题目与答案
【单选题】What is the agreement between husband and wife?
A.
They two will share the housework.
B.
The wife should remind the husband about his housework.
C.
The husband should clean the living room when it looks dirty.
D.
The wife should clean the living room when it looks dirty.
查看完整题目与答案
【单选题】听力原文：M: Is there anything wrong，Miss? W: My husband and I have kept waiting for nearly an hour for our meal． Q: How did the woman feel about the restaurant's service? (5)
A.
Upset．
B.
Dissatisfied．
C.
Happy．
D.
Enjoyable．
查看完整题目与答案
相关题目：
【单选题】数控系统的（）是数控系统用来匹配机床及数控功能的一系列数据。
A.
信号
B.
程序
C.
参数
D.
文件
查看完整题目与答案
【单选题】听力原文：M: What a relationship Mike and his wife have! W: Don't they? I hope my husband could care about me more and communicate more with me as Mike does to his wife. Q: What can be inferred about the w...
A.
She dislikes her husband.
B.
She admires Mike's relationship with his wife.
C.
She regrets to care little about her husband.
D.
She disagrees with the man.
查看完整题目与答案
【单选题】听力原文：M: Peggy's husband is certainly easygoing and friendly. W. Yes, the exact opposite of her brother. What is Peggy's brother imply?
A.
He is good natured.
B.
He is hard to please.
C.
He talks frankly.
D.
He is hard to get along with.
查看完整题目与答案
【单选题】关于咽的淋巴组织，下列说法不正确的是（）。
A.
咽部黏膜下淋巴组织丰富，较大淋巴组织团块呈环状排列，称为咽淋巴环
B.
咽部淋巴均流入颈深淋巴结
C.
内环淋巴流入颈部淋巴结，后者又自成一环，称为外环
D.
腺样体出生后会长期存在，为咽淋巴内环的一部分
E.
咽部的感染和肿瘤可由内环的淋巴组织扩散到外环的淋巴组织
查看完整题目与答案
【单选题】听力原文：W: Does your sister enjoy music? M: Very much. Her husband used to play in a symphony orchestra. And they have a lot in common. According to the man, who played in the orchestra?
A.
His sister.
B.
His sister and his sister's husband.
C.
His sister's husband.
D.
Neither his sister nor his sister' husband.
查看完整题目与答案
【单选题】听力原文：W: Yes. It was a year ago that my husband and I decided to change roles. M: Why did you suddenly think of exchanging roles? W: A year ago, I was beginning to get bored at home all day. My husband...
A.
Because she has been bored about the housework.
B.
Because she has got a job at a salary higher than her husband's.
C.
Because she wants to communicate with the people.
D.
Because she finds it interesting to work outside.
查看完整题目与答案
【单选题】数控系统的 ( ) 是数控系统用来匹配机床及数控功能的一系列数据
A.
信号
B.
程序
C.
文件
查看完整题目与答案
【单选题】数控系统的参数数控系统用来匹配机床及数控功能的一系列( )。
A.
程序
B.
参数
C.
数据
D.
文件
查看完整题目与答案
【单选题】What is the agreement between husband and wife?
A.
They two will share the housework.
B.
The wife should remind the husband about his housework.
C.
The husband should clean the living room when it looks dirty.
D.
The wife should clean the living room when it looks dirty.
查看完整题目与答案
【单选题】听力原文：M: Is there anything wrong，Miss? W: My husband and I have kept waiting for nearly an hour for our meal． Q: How did the woman feel about the restaurant's service? (5)
A.
Upset．
B.
Dissatisfied．
C.
Happy．
D.
Enjoyable．
查看完整题目与答案
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