问题 选择题

受精作用发生在(     )

A.卵巢

B.子宫

C.输卵管

D. * *

答案

答案:C

此题考查受精过程.精子与卵细胞在输卵管结合形成受精卵,分析解答.

解:卵巢是女性主要的性器官,产生卵细胞,分泌雌性激素.睾丸产生的精子和卵巢产生的卵细胞都是生殖细胞.精子进入 * * ,缓缓通过子宫,在输卵管内与卵细胞相遇,精子与卵细胞结合形成受精卵.所以受精卵的形成部位在输卵管.子宫是胚胎、胎儿发育的场所.有独立存活能力的胎儿和胎盘从母体的 * * 排出的过程叫做分娩.

故选C.

翻译题

完成句子。

1.妈妈下午去购物为春节作准备.

Mom went shopping in the afternoon                           the Spring Festival.

2.那家公司是由布莱克先生负责的.

That company is                                     Mr.Black.

3.对你妈妈大叫是不礼貌的.

It's                   to shout at your mother.

4.现在孩子的生活比他们父母小时候优越.

Now children's life is                  their parents when they were young.

5.我们能够通过互联网获得所有的最新消息.

We can                           all the latest information through the Internet.

6.Jean人倒不错,但是她就是往往太唠叨了.

Jean is really nice.However,she                                    talk too much.

7.当经过村庄时,一条狗袭击了我,咬到了我的腿.

Walking through the village,a dog                   me and bit me on the leg.

8.看到自己的学生在生活中很成功,总能让老师激动不已.

It always         the teacher                   to see that his students succeed in life.

9.他们认为我的建议不好,和计划的目的不相吻合.

They don't think my suggestion is a good one,which they think isn't         

                 the aims of the project.

10.Betty一直挥手直到她父亲坐的车看不到为止.

Betty waved until the bus her father took was                          .

问答题 简答题