问题
单项选择题
妊娠尿中绒毛膜促性腺激素浓度达到高峰的时间是（）
A.1周
B.2周
C.4周
D.5周
E.10周
答案
参考答案：E
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妊娠尿中绒毛膜促性腺激素浓度达到高峰的时间是（）
A.1周
B.2周
C.4周
D.5周
E.10周
参考答案：E
| 选择方框里的词的正确形式填空，每词只用一次。 | |
2. There are many __________ over there. I want to talk with them. 3. Two __________ of the students in our class are boys. 4. I succeeded in __________ that job. 5. Today. We made our __________ to the class. 6. Everyone in our class __________ our English teacher. 7. Danny has __________ of a new kind of fuel. 8. To make a candle __________ you "light" it. 9. The houses are __________ with heavy snow. 10. They give prizes to the classes that make the __________ garbage! |