木楼梯由踏步板、踢脚板、三角木、休息平台、斜梁、栏杆(栏板)及扶手等组成。

题型:判断题

问题:

木楼梯由踏步板、踢脚板、三角木、休息平台、斜梁、栏杆(栏板)及扶手等组成。

考点:木工高级木工高级
题型:判断题
下列说法中,正确的个数是
(1)只用一种图形能够密铺的有三角形、四边形、正六边形
(2)菱形的对角线互相垂直平分
(3)正比例函数y=kx(k≠0)的图象经过点(0,0)和(1,k)
(4)平移和旋转都不改变图形的大小和形状
(5)一组对边平行,另一组对边相等的四边形是平行四边形
A. 2个
B. 3个
C. 4个
D. 5个
题型:判断题

动词填空。

1. Daniel needn't _____ (finish) his homework now and he can do it after school.

2. It's bad _____ ( not take) exercise for some time a day.

3. Try this kind of mango, and I'm sure you ____  (like) it.

4. We will go to the cinema if it _____ (be) sunny tomorrow.

5. Look! Tom _____ (play) with his parrot.

6. The skirt makes her _____ (look) pretty.

7. I _____ (take) the photo in Beijing two years ago.

8. He spends more than two hours _____ (do) his homework every day.

题型:判断题

胎儿出生前受照可导致不同程度的智力受损,其严重程度随剂量而()

A.增加

B.减少

C.不变

D.无关

E.以上都不对

题型:判断题

血浆T3、T4含量增加时可反馈抑制()。

A.ACTH分泌

B.FSH分泌

C.LH分泌

D.PRL分泌

E.TRH分泌

题型:判断题

半寄生植物的特点有哪些?

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