栽植坑形状应是___。A．花盆状 B．筒状上下一致 C．上大下小 D．方形

阅读理解。

     My name is Kate. I am eleven. This is my school. I study at No.2 Middle School. Mr. Lee is my

teacher. My friend is Jane. She is a student, too. We are in the same school. I am in Class Three.

She’s in Class One.

判断正误。

（     ）1. Kate is a girl. Her friend Jane is a boy.

（     ）2. Kate is eleven. Jane is eleven, too.

（     ）3. Kate and Jane are in the same school.

（     ）4. Kate and Jane are in different classes.

（     ）5. Mr. Lee is their teacher.

锤头松动会出现哪些隐患？（）

A、锤头飞出伤人

B、打坏物件

C、锤头损坏

“十二经筋”中足三阴经筋（）。

A.起于足趾结于面

B.起于足趾结于胸

C.起于足趾结于腹

D.起于足趾结于头

E.起于手指结于腹

由木材、棉、毛、麻、纸张引起的火灾属于（）。

A.A类火灾

B.B类火灾

C.C类火灾

D.D类火灾

适合于空调制冷用的液态制冷剂应满足的要求（）；（）；（）；（）。