导体的电阻大小决定于导体的材料、__________和横截面积。
长度
用所给词的适当形式填空。
1. The polar bear _____ (live) in the Arctic.
2. Let's _____ (go) to the zoo and see animals.
3. —Would you like _____ (come) to my home for dinner?
—Yes, I'd love to.
4. The zoo has many _____ (wolf), polar bears and zebras.
5. Here _____ (be) some books.
表热证选用()。
A.姜、葱
B.狗肉、羊肉
C.百合、银耳
D.芦根煎汤代茶饮
E.豆豉小排汤