问题
判断题
读数值为0.1mm，0.05mm和0.02mm的游标卡尺可分别用来进行不同精度的测量。( )
答案
参考答案：对
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读数值为0.1mm，0.05mm和0.02mm的游标卡尺可分别用来进行不同精度的测量。( )
参考答案：对
| 选词填空。 | |
It's in the ______． 2. They ______, ______ then. Now they ______ old. 3. Sanya is in the ______ of China. 4. She ______ very clever. 5. It's a book ______ England. 6. There are many boats ______ the river. 7. People speak English ______ America. |