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【简答题】
如图,四棱锥 P-ABCD 是底面边长为1的正方形， PD ⊥ BC , PD =1, PC = . (1)求证: PD ⊥面 ABCD ； (2)求二面角 A －PB－D 的大小
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举一反三
【单选题】( )表示微生物对营养物质吸收的亲和力。
A.
K s
B.
K m
C.
r max
D.
μ max
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【判断题】The reason why alien claimants are not required to prove that a state acted with culpa (i.e., that it was at fault) when they are suing for injuries it caused to them is that it is so easy to prove cu...
A.
正确
B.
错误
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【单选题】For what purposes are parallelism and repetition used in the speech?
A.
To finalize the idea s.
B.
To propose the ideas .
C.
To interpret the ideas.
D.
To emphasize the ideas .
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【简答题】Once there was a man traveling in a faraway village. As he was passing the elephants, he suddenly stopped. He found that these huge elephants were being held by only a small rope tied to their front l...
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【单选题】In this speech, which way does the speaker use in the opening part of speech? The human voice: It ’ s the instrument we all play. It ’ s the most powerful sound in the world, probably. It ’ s the only...
A.
Quotation.
B.
Question.
C.
Story.
查看完整题目与答案
【判断题】it is easy to state a given question in such a way that it will mean exactly same thing to each respondent.
A.
正确
B.
错误
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【单选题】It is not easy to measure the finances of ______.
A.
large state-owned companies.
B.
foreign companies.
C.
numerous small companies.
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【单选题】He was a man of fine character in all points ______ he was rather timid.
A.
in that
B.
except that
C.
for that
D.
except for
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【单选题】The recruiter' s speech was so compelling that nearly everyone in the auditorium enlisted in the army when it was over.
A.
resourceful
B.
meaningful
C.
forceful
D.
powerful
查看完整题目与答案
【简答题】Watch Yang Lan ’ s speech “ Cultural programs and the 2008 Olympic s, ” and yze how she displays intercultural communicative competence in the speech.
查看完整题目与答案
相关题目：
【单选题】( )表示微生物对营养物质吸收的亲和力。
A.
K s
B.
K m
C.
r max
D.
μ max
查看完整题目与答案
【判断题】The reason why alien claimants are not required to prove that a state acted with culpa (i.e., that it was at fault) when they are suing for injuries it caused to them is that it is so easy to prove cu...
A.
正确
B.
错误
查看完整题目与答案
【单选题】For what purposes are parallelism and repetition used in the speech?
A.
To finalize the idea s.
B.
To propose the ideas .
C.
To interpret the ideas.
D.
To emphasize the ideas .
查看完整题目与答案
【简答题】Once there was a man traveling in a faraway village. As he was passing the elephants, he suddenly stopped. He found that these huge elephants were being held by only a small rope tied to their front l...
查看完整题目与答案
【单选题】In this speech, which way does the speaker use in the opening part of speech? The human voice: It ’ s the instrument we all play. It ’ s the most powerful sound in the world, probably. It ’ s the only...
A.
Quotation.
B.
Question.
C.
Story.
查看完整题目与答案
【判断题】it is easy to state a given question in such a way that it will mean exactly same thing to each respondent.
A.
正确
B.
错误
查看完整题目与答案
【单选题】It is not easy to measure the finances of ______.
A.
large state-owned companies.
B.
foreign companies.
C.
numerous small companies.
查看完整题目与答案
【单选题】He was a man of fine character in all points ______ he was rather timid.
A.
in that
B.
except that
C.
for that
D.
except for
查看完整题目与答案
【单选题】The recruiter' s speech was so compelling that nearly everyone in the auditorium enlisted in the army when it was over.
A.
resourceful
B.
meaningful
C.
forceful
D.
powerful
查看完整题目与答案
【简答题】Watch Yang Lan ’ s speech “ Cultural programs and the 2008 Olympic s, ” and yze how she displays intercultural communicative competence in the speech.
查看完整题目与答案