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【单选题】
RS232C 使用无硬件握手最简单的互联中,下面( )信号不是必须的。A.
TXD
B.
RXD
C.
DTR
D.
GND
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举一反三
【单选题】—How do you like the scarf? —I love it. It feels _______.
A.
hard
B.
cool
C.
sweet
D.
soft
【单选题】Come and sit down by the fire.Your hand ________.
A.
feels so cold
B.
is felt so coldly
C.
feels so coldly
D.
feel so cold
【单选题】My scarf made of silk feels _______ and _______. Ms. Cao also wants to buy one like mine.
A.
softly; comfortable
B.
soft; comfortable
C.
soft; comfortably
D.
softly; comfortably
【简答题】o81.在RL串联电路中,电阻电压为16伏,电感上的电压为12伏,电路中总电压与电流的相位关系为()。A.电压导前电流36.9°B.电压导前电流53.1°C.电流滞后电压36.9°D.电压滞后电流53.1°A.B.C.D. D
【单选题】—Which scarf do you prefer? — The red one. It _____ more comfortable. [ ]
A.
tastes
B.
feels
C.
gets
【单选题】This scarf feels a little _______ than that one. So I'll take it.
A.
softer
B.
sourer
C.
lovelier
【单选题】–Your scarf feels soft. Did you buy it in China? –No, I bought it in France. But it __________ in China.
A.
is making
B.
was made
C.
makes
D.
made
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