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【简答题】
已知圆球被截切的正面投影和水平投影,正确的侧面投影是。
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举一反三
【简答题】Mr. and Mrs. Green were going on their vacation with their children, and they had to arrive at the airport before 11:40 the next morning. “It takes us thirty minutes to get there in a car,” Mr. Green ...
【单选题】We are working ______ to get the work done on time. There is only one day left before it must be finished. [ ]
A.
at present
B.
like crazy
C.
as usual
D.
from time to time
【简答题】merge
【单选题】按电子计算机传统的分代方法,第一代至第四代计算机依次是
A.
机械计算机 、 电子管计算机、晶体计算机、集成电路计算机
B.
手摇机械计算机、电动机计算机、电子管计算机、晶体计算机
C.
电子管计算机、晶体管计算机、中规模集成电路计算机、大规模和超大规模集成电路计算机
D.
晶体管计算机、集成电路计算机、大规模集成电路计算机、光器件计算机
【简答题】阅读理解。 There is an old English saying. It tells us that we must go to bed early and get up early in the morning. Then we shall be healthy. We shall also be rich and clever. This is true. The body must ...
【单选题】There are hundreds of expressions of words using “hand” in the English language. Let us examine some of the expressions that use “hand”. We will get a hand in this way. “To get a hand in” is to begin ...
A.
get out of hand
B.
get a hand in
C.
lend a hand
D.
take a hand in
【简答题】There is an old English saying. It tells us that we must go to bed early and get up early in the morning. Then we shall be healthy. We shall also be rich and clever. This is true. The body must have e...
【单选题】merge
A.
an instance of buying or selling something; a business deal
B.
something that you can choose to have or do
C.
idea; thought
D.
join or combine
【简答题】滤出茶汤应_____闻嗅香气,鼻子____杯沿轻嗅或深嗅。
【简答题】Here we have an inevitable distinction. There must be work done by the arms, or none of us could live. There must be work done by the brains, or the life we get would not be worthy having. And the sam...
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