羔羊痢疾主要危害()日龄的羔羊.
A.1〜7
B.7〜14
C.14〜21
D.21〜28
E.28〜35
参考答案:A
选择合适的词填空(写序号)。
A. have a look B. here C. to D. What
E. a bar of F. man G. o'clock H. me
1. Come , Cao Shan.
2. Go school.
3. I'd like ____ chocolate.
4. Can I ?
5. That is my father.
6. some juice?
7. Excuse ____ . Where is the radio?
8. It's ten .
CRH2A动车组APU中没有输出()电源。
A、AC100V
B、AC500V
C、AC400V