有以下程序： #include＜iostream＞ using namespac

地陪宣布登车后，应站在车门一侧，微笑着协助每一位旅游者上车，妥善安置好旅游者的随身携带物品，待所有旅游者安稳坐下，一切就绪后，才可以宣布出发。

根据句意，用括号内所给词的适当形式填空。

1.  She sees a film_________(one)a month.

2.  Tom was_________ (illness) yesterday, so he didn't go to school.

3.  Doing exercise can help us stay_________ (health).

4.  Li Hua had a_________ (quickly) breakfast and then went to work.

5.  Don't_________ (worried) about your English.  1 can help you.

6.  It takes me an hour_________ (get)to school every day.

7.  Will you go climbing with us if it_________ (not snow) next Sunday?

8.  It's ten_________ (minute) ride from my home to school.

9.  There is a girl_________ (draw)a picture under the tree.

10.Students of English will find the book very_________.  (use)

某县4万多农民通过培训，走上了种植花卉的致富路，人均年增收1000多元。这给我们的启示有[ ]

A、要尊重劳动、尊重知识、尊重人才、尊重创造

B、培训有助于致富，不培训就不能致富

C、知识已成为创造财富的重要资源

D、劳动是财富产生的源泉

呼吸衰竭的发病机理除哪项外均为正确（）

A.通气不足，PaO₂下降，PaCO₂增高

B.通气/血流比例失调

C.弥散障碍，PaO₂下降

D.氧耗量增加

E.大脑中枢功能紊乱

原料油罐、回炼油罐顶油气返塔线的作用（）。