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【简答题】
要健全完善哪三项精准扶贫精准脱贫工作制度?
拍照语音搜题,微信中搜索"皮皮学"使用
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参考解析:
知识点:
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皮皮学刷刷变学霸
举一反三
【判断题】Silly Smith said something bad against the gray-hair man because he didn't know that the woman is the wife of Secretary of International Department.
A.
正确
B.
错误
【判断题】The woman is against the idea of using GM food to change the polar bears' habitat.
A.
正确
B.
错误
【多选题】交流电压的频率之比称之为载波比,理论上的阐述哪些是对的?
A.
理论上,载波比越小越好
B.
理论上,载波频率越大越好
C.
理论上,交流电压波形的精度越高越不容易失真
D.
理论上,载波频率越小越好
E.
理论上,载波比越大越好
【单选题】果蝇种群中,XB的基因频率为90%,xb的基因频率为10%,雌雄果蝇数相等,理论上XbXb、XbY的基因型频率依次为()
A.
1%5%
B.
0.5%5%
C.
10%10%
D.
5%0.5%
【单选题】若在果蝇种群中, X B 的基因频率为 80% , X b 的基因频率为 20% ,雌雄果蝇数相等,理论上 X b X b 、 X b Y 的基因型频率依次为
A.
1% 2%
B.
4% 20%
C.
2% 10%
D.
2% 8%
【简答题】What can we learn from the conversation? A . The woman is against the man ’ s decision. B . The man got his new job this morning. C . The man wants to marry Rosie.
【单选题】听力原文:(A) The woman is leaning against the wall. (B) There are some documents on the desk. (C) The woman is drinking a bottle of water. (D) The woman is writing something down on the board.
A.
B.
C.
【简答题】A.Because it is against the law. B.Because the man is not a member of Terry's family. C.Because the woman cannot find the test. D.Because Terry was too sick to take the test.
【简答题】若语音信号的频率在300-3400Hz之间,则按照抽样定理理论上信号不失真的最小抽样频率为()Hz。
【单选题】理论上,频率为()的声波可以在长度为17cm的一端开放、另一端封闭的管腔内共鸣。
A.
1kHz、1.5kHz、2kHz
B.
0.5kHz、1kHz、1.5kHz
C.
0.5kHz、1.5kHz、2.5kHz
D.
0.5kHz、1kHz、2kHz
E.
1kHz、2kHz、3kHz
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