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【简答题】
（本题满分12分） 如图，在四棱锥 中，底面 为平行四边形， 平面 ， 在棱 上． （I）当 时，求证 平面 （II）当二面角 的大小为 时，求直线 与平面 所的正弦值．
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举一反三
【简答题】There were very few people at the concert last night. came Hardly ____________________ the concert last night.
【单选题】The first British people who came to America were _______.
A.
very religious
B.
very talented singers
C.
lovers of musical instruments
D.
graceful dancers
【单选题】养老护理员的工作是社会分工的一部分。面对社会的需要,养老护理员应该在肯定( )的基础上为社会服务。
A.
社会利益与老年人利益
B.
个人利益与集体利益
C.
社会利益与个人利益
D.
老人利益与机构利益
【单选题】These people ____ in the city but now they ____ in the country and like it very much.
A.
were used to live ; used to live
B.
used to live ; are used to living
C.
used to living ; used to live
D.
were used to living ; are used to live
【简答题】It was a very (heat) ______ argument and people were shouting at each other.
【单选题】The people outside the bar__________. [
A.
] were very interested in the television program [
B.
] were chatting with a saleswoman [ C] had no particular interest in anything [ D ] were very uncomfortable
【单选题】All the people ____the meeting were very important.
A.
attending
B.
present
C.
attended
D.
presented
【单选题】The people from Alton were ______.
A.
not interested in the Olympics
B.
were very excited about Rulon and the Olympics
C.
did not help Rulon's family go to the Olympics
D.
stayed at home during the parade
【单选题】【课堂练习 l 】某企业接受投资者投入机器一台,价值 67000 元,该企业在作会计分录时,应贷 ( ) 科目。
A.
“实收资本”
B.
“固定资本”
C.
“资本公积”
D.
“应收账款”
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