皮皮学,免费搜题
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【判断题】
对带有搅拌器等转动部件的设备,停机后切断电源,摘除保险或挂接地线,并在开关上挂“有人工作、严禁合闸”警示牌,必要时派专人监护。()
A.
正确
B.
错误
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【单选题】Do you know where David is? I couldn’t find him anywhere. Well, he have gone far. His coat is still here.
A.
shouldn’t
B.
mustn’t
C.
can’t
D.
wouldn’t
【单选题】小儿腹泻时口服补液盐(ORS液)的电解质渗透压是含钠钾液的
A.
1/4张
B.
1/3张
C.
2/5张
D.
1/2张
E.
2/3张
【简答题】信道编码是抗干扰编码,它使得__________________下降,信源编码减少多余度编码,它使得__________________提高。
【单选题】— Which coat do you think is the best? — I think the black one ___ you. You look pretty in it.
A.
fits
B.
suits
C.
matches
D.
attracts
【单选题】Your coat is too big. You must have it ( ).
A.
converted
B.
transformed
C.
varied
D.
altered
【单选题】小儿腹泻时口服补液盐(ORS液)的电解质渗透压是含钠钾液的
A.
1/4张
B.
1/3张
C.
1/2张
D.
2/5张
E.
2/3张
【单选题】The price of the coat is . You can buy one. [     ]
A.
expensive
B.
cheap
C.
low
D.
cheaper
【简答题】EM4095 芯片的__ 引脚和__ 引脚用来操作设备,当 SHD 为__的时候, EM4095 芯片为__模式,电流消耗很小,在上电的时候, SHD 输入必须是高电平,用来使其能正确的初始化操作;当 SHD 为__的时候,回路允许发射射频场,并且开始对天线上的__信号进行调制。引脚 MOD 用来对 125 kHz__ 信号进行调制。
【单选题】46 Have you noticed her coat is wet? She must be caught in the rain.
A.
B.
D.
D
【单选题】小儿腹泻时口服补液盐(ORS液)的电解质渗透压是含钠液的
A.
1/4张
B.
1/3张
C.
2/5张
D.
1/2张
E.
2/3张
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