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【判断题】
演奏教学包括的主要是合奏教学。
A.
正确
B.
错误
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【单选题】—The shoes are very nice. I'll take them. —But you must _____ first. I think the size is a bit smaller for you. [     ]
A.
pay for them
B.
try them on
C.
put them on
D.
take them off
【判断题】肉眼看到的星空,天上有难以数清的星星,可以达到几千颗之多。
A.
正确
B.
错误
【单选题】The population of China is _____ than that in Australia. [     ]
A.
far more
B.
much larger
C.
much smaller
D.
far less
【单选题】The number of pandas(熊猫) becoming .
A.
is more and more
B.
are less and less
C.
is smaller and smaller
D.
are fewer and fewer
【单选题】(第三章 )若栈采用顺序存储结构,入栈操作时栈顶指针top的变化是( )。
A.
不变
B.
top = 0
C.
- - top
D.
++top
【判断题】肉眼看到的星空,天上有难以数清的星星,可以达到几千颗之多。
A.
正确
B.
错误
【单选题】According to the talk, what did David Sarnoff predict about radios?
A.
They would get smaller in size.
B.
Their signals would travel further.
C.
They would become less popular than television.
D.
They would be common household items.
【单选题】单级萃取的萃取率(理论收率)是指( )。
A.
萃取相中溶质的总量比萃余相中溶质总量的百分数
B.
萃取相中溶质的总量占原料液中溶质总量的百分数
C.
萃余相中溶质的总量占原料液中溶质总量的百分数
D.
萃余相中溶质的总量比萃取相中溶质总量的百分数
【单选题】(第三章)若栈采用顺序存储结构,出栈操作时栈顶指针top的变化是( )。
A.
不变
B.
top = 0
C.
- - top
D.
++top
【简答题】阅读理解。 Do you know Australia? Australia is the largest island in the world. It is a little smaller than China. It is in the south of the earth. Australia is big, but its population is not large. The po...
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