“六艺”中具有体育因素的教学内容为( )。A．书、御 B．礼、乐 C．射、御 D．

象形式手语包括字形、物形、动形。

覆盖在身体表面和体内各管腔壁的内表面的组织是（　　）

A．肌肉组织

B．上皮组织

C．结缔组织

D．神经组织

情景交际。

A: Hi, Jack. How was your May Day' holiday?

B: Not very good.

A:     1   

B: I planned to go to the opening ceremony (盛典) of the Shanghai World Expo. But my mother got hurt

in a traffic accident, so I had to look after her in the hospital.

A: _2   .Then how is she feeling now？

B: Much better.  3   ,Bob'?

A: Oh. I went to Kunming with my parents.

B:      4    

A: It's very beautiful. I like it very much.

B: Wow, _ 5   ?

A: Yes. I had great fun.

下列表述的安全玻璃分的类型错误的是( )。

A．磨砂玻璃

B．钢化玻璃

C．夹丝玻璃

D．夹层玻璃

吸湿性好。药物释放和渗透较快。与苯甲酸、鞣酸等混合时可使基质过度软化（）

A.聚乙二醇

B.硅酮

C.凡士林

D.卡波姆

E.石蜡