参加下颌侧方运动的咀嚼肌不包括A．咬肌 B．颞肌 C．二腹肌 D．下颌舌骨肌 E．颏

下列各组句子没有语病的一项是（     ）（2分）

A．回首三年的初中生活，我们再一次明确了这样的道理：勤奋、踏实是学习成败的关键。

B．大家喜欢的智能手机均内置新版软件移动视窗操作系统，并拥有通话、上网冲浪和观看视频等。

C．校运会上，李杰用相机把参赛同学拼搏的身影和助威鼓励的话语一一摄入镜头。

D．在阅读文学名著的过程中，我明白了许多做人的道理，感悟了人生的真谛。

加氢裂化反应器的单床层压力降一般小于（）。

A、0.1MPa

B、0.2MPa

C、0.3MPa

D、0.4MPa

已知一平面与正方体的12条棱的夹角均为θ，那么sinθ=______．

用所给词的适当形式填空。

1. —Why are you so _____ (excite)?

    —Because we win the game.

2. Amy, _____ (not talk) in class.

3. Water is very important for us. We can't live _____ (with) it.

4. —Who is the _____ (one ) to come to school?  

    —Oh, it's Lily.

5. There are lots of potatoes on those _____ (shelf).

6. Do you know the girl _____ (call) Kitty?

7. Listen! Someone _____ (knock) at the door.

8. All the walkmans on the desk are those _____ (play).

9. Let him         (clean) the blackboard today.

10. Miss Chen teaches _____ (we) English this term.

引种单位、个人或其代理人需要在植物繁殖材料进境前( )日报检。

A．7
B．8
C．10
D．15