题目内容

China is very rich in natural resources

A. 对
B. 错

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He‘s deposited quite a lot of money recently

A. 对
B. 错

My great-aunt had been generous in the extreme over the years

A. 对
B. 错

There are abundant supplies of firewood in the forest

A. 对
B. 错

4线-10线译码器中输出状态只有F2=0，其余输出端均为1，则它的的输入状态应取（）

A. 1001
B. 0010
C. 1000
D. 1101