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【单选题】
关于NH3分子描述正确的是
A.
N原子采取sp2杂化,键角为l07.3℃
B.
N原子采取sp3杂化,包含一条d键三条π键,键角l07.3℃
C.
N原子采取sp3杂化,包含一条d键二条π键,键角l09.5℃
D.
N原子采取不等性sp3杂化,分子为三角锥形,键角107.3℃
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举一反三
【单选题】Analyze the following sentence: To understand the subject, a great deal of studying must be done.
A.
It is an incomplete sentence.
B.
It is a run-on sentence.
C.
This is a grammatically correct sentence.
D.
There is a dangling modifier in this sentence.
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【简答题】The backup and recovery tools must be______to deal with various computer crises.
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【单选题】某妊娠合并糖尿病产妇孕期无其他合并症。予妊娠39周剖宫产一健康男婴,对于该新生儿应重点监测的内容是
A.
大小便
B.
体重
C.
黄疸
D.
血糖
E.
体温
查看完整题目与答案
【判断题】每句必押韵,是歌词谱曲的重要保证。
A.
正确
B.
错误
查看完整题目与答案
【单选题】某妊娠合并糖尿病产妇孕期无其他合并症。予妊娠39周剖宫产一健康男婴,对于该新生儿应重点监测的是( )
A.
大小便
B.
体重
C.
黄疸
D.
血糖
E.
体温
查看完整题目与答案
【简答题】Today's bellman must be quick witted, good with people, and outgoing. Bellhops will meet a variety of different people each day and must have the social skills to deal with them.
查看完整题目与答案
【单选题】某妊娠合并糖尿病产妇孕期无其他合并症。予妊娠39周剖宫产一健康男婴,对于该新生儿应重点监测的内容是
A.
大小便
B.
体重
C.
黄痘
D.
血糖
E.
体温
查看完整题目与答案
【判断题】80C51单片机进行串行通信时，一定要占用一个定时器作为波特率发生器
A.
正确
B.
错误
查看完整题目与答案
【多选题】修改以下句子,选出正确的句子。 To understand the subject, a great deal of studying must be done.
A.
If you want to understand the subject, a great deal of studying must be done.
B.
A great deal of studying must be done t o understand the subject,
C.
To understand the subject, one must do a great deal of studying.
D.
To understand the subject, and a great deal of studying must be done.
查看完整题目与答案
【单选题】Some actions must be ________ to deal with this big change in the labour market.
A.
take
B.
taken
C.
took
D.
Taking
查看完整题目与答案
相关题目：
【单选题】Analyze the following sentence: To understand the subject, a great deal of studying must be done.
A.
It is an incomplete sentence.
B.
It is a run-on sentence.
C.
This is a grammatically correct sentence.
D.
There is a dangling modifier in this sentence.
查看完整题目与答案
【简答题】The backup and recovery tools must be______to deal with various computer crises.
查看完整题目与答案
【单选题】某妊娠合并糖尿病产妇孕期无其他合并症。予妊娠39周剖宫产一健康男婴,对于该新生儿应重点监测的内容是
A.
大小便
B.
体重
C.
黄疸
D.
血糖
E.
体温
查看完整题目与答案
【判断题】每句必押韵,是歌词谱曲的重要保证。
A.
正确
B.
错误
查看完整题目与答案
【单选题】某妊娠合并糖尿病产妇孕期无其他合并症。予妊娠39周剖宫产一健康男婴,对于该新生儿应重点监测的是( )
A.
大小便
B.
体重
C.
黄疸
D.
血糖
E.
体温
查看完整题目与答案
【简答题】Today's bellman must be quick witted, good with people, and outgoing. Bellhops will meet a variety of different people each day and must have the social skills to deal with them.
查看完整题目与答案
【单选题】某妊娠合并糖尿病产妇孕期无其他合并症。予妊娠39周剖宫产一健康男婴,对于该新生儿应重点监测的内容是
A.
大小便
B.
体重
C.
黄痘
D.
血糖
E.
体温
查看完整题目与答案
【判断题】80C51单片机进行串行通信时，一定要占用一个定时器作为波特率发生器
A.
正确
B.
错误
查看完整题目与答案
【多选题】修改以下句子,选出正确的句子。 To understand the subject, a great deal of studying must be done.
A.
If you want to understand the subject, a great deal of studying must be done.
B.
A great deal of studying must be done t o understand the subject,
C.
To understand the subject, one must do a great deal of studying.
D.
To understand the subject, and a great deal of studying must be done.
查看完整题目与答案
【单选题】Some actions must be ________ to deal with this big change in the labour market.
A.
take
B.
taken
C.
took
D.
Taking
查看完整题目与答案