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【单选题】
mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">某烷分子式为 mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">C n H 2n-2 ,它不 mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">可能是( ZH-CN;mso-bidi-language:AR-SA">)。
A.
"Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">一烯烃
B.
"Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">二烯烃
C.
"Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">炔烃
D.
"Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">环烯烃
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参考答案：
举一反三
【单选题】We learn from the Pew Research Center that one third of American adult children______.
A.
have parents with no savings and pensions
B.
ignore the emotional needs of their parents
C.
can't afford the daily and medical expenses
D.
spend their own money on their parents' care
查看完整题目与答案
【单选题】不属于钙的生理功能的是
A.
构成核苷酸辅酶类的辅酶
B.
可以降低毛细血管和细胞膜的通透性
C.
参与凝血过程
D.
引起肌肉收缩
E.
最重要的调节物质
查看完整题目与答案
【单选题】It can be inferred from the recent McKinsey research that______.
A.
schools in poor areas have difficulty in attracting good teachers
B.
only around 1,500 top-third students choose to be teachers
C.
improving the students' performance may have positive effect on economy
D.
teachers in the US have lower prestige than those in other top-performing nations
查看完整题目与答案
【单选题】No decision _ about any future plan until we have done some research into the student preference．
A.
has been made
B.
is made
C.
is being made
D.
will be made
查看完整题目与答案
【判断题】时期指标与时期长短成正比，时点指标与时点间隔成正比。(    )
A.
正确
B.
错误
查看完整题目与答案
【单选题】不属于辅酶类核苷酸的是
A.
NAD
B.
CoA
C.
FAD
D.
ADP
查看完整题目与答案
【单选题】When somewhat better ________ academically, he returned home to continue his research.
A.
equipped
B.
had equipped
C.
provided
D.
providing
查看完整题目与答案
【判断题】需求价格弹性简称需求弹性,他是只因价格变动而引起的需求量相应的变动率,反映需求变动对价格变动的敏感程度。
A.
正确
B.
错误
查看完整题目与答案
【单选题】_____to his research work, the professor cared little about any other things．
A.
Devoting
B.
Devoted
C.
Having devoted
D.
To devote
查看完整题目与答案
【单选题】Questions are based on the following passage． A research led by the University of Sydney has found that people often think otherpeople are stating at them even when they aren't. When in doubt， the hum...
A.
Human brain can tell if its owner is under someone's gaze.
B.
Human brain cannot identify other people's gaze when in doubt.
C.
People in doubt often think they are stared at by others.
D.
People tend to stare at others when they are in doubt.
查看完整题目与答案
相关题目：
【单选题】We learn from the Pew Research Center that one third of American adult children______.
A.
have parents with no savings and pensions
B.
ignore the emotional needs of their parents
C.
can't afford the daily and medical expenses
D.
spend their own money on their parents' care
查看完整题目与答案
【单选题】不属于钙的生理功能的是
A.
构成核苷酸辅酶类的辅酶
B.
可以降低毛细血管和细胞膜的通透性
C.
参与凝血过程
D.
引起肌肉收缩
E.
最重要的调节物质
查看完整题目与答案
【单选题】It can be inferred from the recent McKinsey research that______.
A.
schools in poor areas have difficulty in attracting good teachers
B.
only around 1,500 top-third students choose to be teachers
C.
improving the students' performance may have positive effect on economy
D.
teachers in the US have lower prestige than those in other top-performing nations
查看完整题目与答案
【单选题】No decision _ about any future plan until we have done some research into the student preference．
A.
has been made
B.
is made
C.
is being made
D.
will be made
查看完整题目与答案
【判断题】时期指标与时期长短成正比，时点指标与时点间隔成正比。(    )
A.
正确
B.
错误
查看完整题目与答案
【单选题】不属于辅酶类核苷酸的是
A.
NAD
B.
CoA
C.
FAD
D.
ADP
查看完整题目与答案
【单选题】When somewhat better ________ academically, he returned home to continue his research.
A.
equipped
B.
had equipped
C.
provided
D.
providing
查看完整题目与答案
【判断题】需求价格弹性简称需求弹性,他是只因价格变动而引起的需求量相应的变动率,反映需求变动对价格变动的敏感程度。
A.
正确
B.
错误
查看完整题目与答案
【单选题】_____to his research work, the professor cared little about any other things．
A.
Devoting
B.
Devoted
C.
Having devoted
D.
To devote
查看完整题目与答案
【单选题】Questions are based on the following passage． A research led by the University of Sydney has found that people often think otherpeople are stating at them even when they aren't. When in doubt， the hum...
A.
Human brain can tell if its owner is under someone's gaze.
B.
Human brain cannot identify other people's gaze when in doubt.
C.
People in doubt often think they are stared at by others.
D.
People tend to stare at others when they are in doubt.
查看完整题目与答案
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