皮皮学,免费搜题
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【单选题】
Tom couldn't pay for what he had bought yesterday and he seemed . [     ]
A.
embarrassed
B.
 exhausting
C.
 embarrassing
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参考解析:
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皮皮学刷刷变学霸
举一反三
【单选题】滤波器的-3dB截止频率指信号幅值衰减为输入幅值 ( )对应的频率。。
A.
1
B.
2
C.
0.707
D.
0.5
【简答题】板块编号中XB 表示 板,WB表示 板。
【单选题】Once his curiosity _____,he uses certain methods and procedures to obtain new knowledge and great understanding .
A.
has aroused
B.
has arisen
C.
has been aroused
D.
has been arisen
【判断题】投资报酬率是非贴现指标,且是动态指标。
A.
正确
B.
错误
【判断题】所有的低档品都是吉芬物品。
A.
正确
B.
错误
【单选题】I got two presents for my birthday. One is a dictionary ______ is a watch.
A.
another
B.
other
C.
the other
【简答题】代号WB表示( )
【单选题】滤波器的—3dB截止频率,是指信号幅值衰减为输入幅值的( )处的频率。
A.
√ 2
B.
1
C.
√ 2/2
D.
1/2
【单选题】This is not___ watch. I think it’s ___watch.
A.
you, he
B.
she, my
C.
his, her
D.
I, your
【单选题】若不协调性宫缩乏力未变成协调性应禁用(2010护考原题)
A.
吗啡
B.
哌替啶
C.
缩宫素
D.
排空膀胱
E.
地西泮