用am，is，are填空。

1. Where _____________ you from?  I _____________ from China.

2. Where _____________ he from?  He _____________ from England.

3. What _____________ your mother?  She _____________ a teacher.

4. I _____________ Number One.

5. She _____________ in Class One, Grade Two.

6. We _____________ good friends.

7. It _____________ a pear.

8. _____________ you sure?

9. _____________ ten and ten twenty?

10. _____________ it green or red?

早期妊娠药物性流产的禁忌证不包括：

A．高血压患者

B．有近期人流史者

C．带宫内节育器妊娠者

D．青光眼患者

E．子宫内膜异位症患者