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【判断题】
稳定单质在298.15K时的 和 均为零。( )
A.
正确
B.
错误
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参考答案:
举一反三
【多选题】经济评估准则主要内容有()
A.
投资偿还期应大于定额投资偿还期
B.
净现值为正值
C.
净现值率最大
D.
内部收益率小于基准收益率或银行贷款利率
【简答题】That day was like any other day in his life. After school Michael walked past the shop in the street corner. He stopped to some shoes, and he felt sorry for himself. He wanted to have a pair of shoes ...
【单选题】美国的 GPS 系统从 20 世纪 70 年代开始研制,于全部建设完成
A.
1983 年
B.
1989 年
C.
1994 年
D.
1998 年
【单选题】Where did the woman meet Bob the other day?
A.
On the other side of the city.
B.
In his house.
C.
In the street.
【简答题】美国的GPS系统从20世纪70年代开始研制,哪一年全部建设完成?
【单选题】Where did the woman meet Bob the other day?
A.
In his house.
B.
In the street.
C.
On the other side of the city.
【判断题】20世纪70年代,美国开始研制GPS系统,三部分构成:空间卫星部分、地面监控站部分和用户部分。
A.
正确
B.
错误
【单选题】John had his leg broken the other day, which______his absence from class for the last week.
A.
calls for
B.
accounts for
C.
shows off
D.
sets forth
【单选题】体育课免修的条件是( )。
A.
有医生的证明
B.
有生理缺陷
C.
家长申请
【单选题】He 20 dollars for his old bike the other day.
A.
paid
B.
took
C.
spent
D.
offered
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