所谓开关量,就是只有()和()两种状态的量。
参考答案:是(或“l”);非(或“0”)
读句子,把错误单词找出来并在横线上改正。
1. I can shew you.
2. Where ere you going?
3. Is that far form here?
4. Let me holp you.
5. Go up the stars.
EA-302壳程物料是乙二醇水溶液。