焊条电弧焊时，在工件厚度相同条件下平焊位置比其他空间位置的焊条直径可（）。
A.小些
B.大些
C.不变
参考答案：B
用所给词的适当形式填空
1. Good watches must have good _____(quality).
2. Don't you think the sofa is very _____(comfort) ?
3. How many _____(province) are there in China?
4. Who runs _____(fast) in this class?
5. I speak English _____(badly) than he does.
北京地区流行的曲艺从形式上分为以“唱”为主的曲艺形式和以“说”为主的曲艺形式。（）
