“铅笔不是铅”,铅笔的笔芯实际上是由粘土和什么物质组成的?
参考答案:“铅笔不是铅”,铅笔的笔芯实际上是由粘土和石墨组成的。
单句改错。
1. How much percentage of his income is taxable (可纳税的)?
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2. An increasing percentage of the population owns their own cars.
3. The most percentage of the people are against the plan.
在我国会计一般以()为记账本位币
A.美元
B.元
C.元,角,分
D.人民币