问题
多项选择题
必须具备什么条件才能受孕?()
A.男方产生正常的能排入女方 * * 的精子
B.精具有运动能力能达到输卵管
C.女方能排出正常的卵子被输卵管捕获并与精子受精
D.受精卵发育并在子宫腔着床
答案
参考答案:A, B, C, D
必须具备什么条件才能受孕?()
A.男方产生正常的能排入女方 * * 的精子
B.精具有运动能力能达到输卵管
C.女方能排出正常的卵子被输卵管捕获并与精子受精
D.受精卵发育并在子宫腔着床
参考答案:A, B, C, D
阅读理解。 | |||
A man is going to open a shop selling hats. He wanted a good sign to put over his shop. He wrote:
"HATTER". Then he came to another friend for advice. This friend said that it was not polite to say "for ready money". So he crossed out "for ready money". The sign now said:
care who made it. So John crossed out that word, too. But when another friend saw "John Brown Sells Hats", he said, "Of course you sell hats. No one thinks you give them away for free." So, at last the sign read:
| |||
[ ] | |||
A. pay for the hat here when you buy it B. if you buy the hat you can pay for it in a few days C. hats here are only for the people with much money | |||
2. How many friends gave John some advice on how to write the sign? | |||
[ ] | |||
A. Three. B. Four. C. Two. | |||
3. ______ was crossed out first. | |||
[ ] | |||
A. "John Brown Sells Hats" B. "Hatter" C. "for Ready Money" | |||
4. Each friend has ______ thought. | |||
[ ] | |||
A. no B. the same C. his own | |||
5. This story tells us that ______. | |||
[ ] | |||
A. it isn't possible to please everybody B. it's easy to sell hats C. sellers must please everybody |