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【单选题】
下面哪个不是Java的基本数据类型A.
int
B.
float
C.
String
D.
boolean
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反馈参考答案：
举一反三
【单选题】Many countries are increasing their use of natural gas, wind and other forms of______.
A.
energy
B.
source
C.
power
D.
material
【简答题】People speak English in many countries． English is______ in many countries．
【简答题】_____is today Britain used to be three different countries,and over many years the three countries became one. A,It B,What C,Where D,As
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