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【单选题】
I have not found my stowage plan yet; in fact,I am not sure()I could have done with it.
A.
whether
B.
what
C.
why
D.
when
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参考答案:
举一反三
【单选题】7 数据通信是指在两点或多点之间以( )形式进行信息交换的过程。
A.
八进制
B.
十进制
C.
十六进制
D.
二进制
【判断题】无限接近就等于相等。
A.
正确
B.
错误
【单选题】.Although he had to spend lots of money for going to the ball,he accepted the invitation. the ball was important to him.
A.
After all
B.
In all
C.
First of all
D.
Above all
【单选题】____________ bag is yellow.__________ bag is red.
A.
M y;Her
B.
I;She
C.
M y;She
D.
I;Her
【单选题】The red bag is____, and that is ____ bag.
A.
her; mine
B.
her; my
C.
hers; my
【单选题】How did the shopkeeper possibly feel when he accepted the cheques from the Englishman?
A.
Pleased.
B.
Doubtful.
C.
Disappointed.
D.
Surprised.
【判断题】He accepted the invitation because he knew the hostess.
A.
正确
B.
错误
【单选题】A bag contains 6red marbles, 5yellow marbles, and 7green marbles. How many additional red marblesmust be added to the 18marbles already in the bag sothat the probability of randomly drawing a red marb...
A.
12
B.
16
C.
18
D.
24
E.
36
【单选题】电流方向和强弱都不随时间变化的电流叫做
A.
脉动电流
B.
直流电流
C.
交流电流
D.
安全电流
【单选题】The red bag  ______ got four wheels. [     ]
A.
have
B.
has
C.
is
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