__________ Tom. This is ____________ boo

题型:选择题

问题:

__________ Tom. This is ____________ book.    [ ]

A. I am, my

B. I am, I    

C. He is, he

D. He is, her

考点:人称代词物主代词系动词主谓一致
题型:选择题

Read and answer. (读句子,根据实际情况回答问题)

1. How many students are there in your class?

___________________________________________

2. How many girls are there in your class?

___________________________________________

3. Do you have a canteen in your school?

___________________________________________

4.  Do you have a library in your school?

___________________________________________

5. Do you have lunch in the canteen?

___________________________________________

6. — Where is the library?

    — It's on the ______ floor.

题型:选择题

与DNA损伤修复基因突变相关的是()

A.遗传性非息肉性结肠癌

B.家族性腺瘤性息肉病

C.Li-Fraumeni综合症

D.神经纤维瘤病

E.肾母细胞瘤

题型:选择题

第一部纪传体通史()

题型:选择题

离合器分离杠杆内端的工作平面高度应()。

题型:选择题

下图为人体神经元细胞模式图。请据图回答:

若某人身体健康,则该细胞中()(有、无)酪氨酸酶基因,原因是()。

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