某男，39岁。自述心下痞塞而闷，似痛非痛，伴恶心呕吐，口苦，口渴不欲饮，纳呆，舌红，

用括号内所给动词的适当形式填空。

1. There ____________ (be) a pencil-box and some books on the desk.

2. Tomorrow is Millie’s birthday. What do you want____________ (buy) for her?

3. ____    __ Simon _________ (play) basketball every weekend?

4. He thinks he can _________ (study) English well.

5. I often help my mother_________ (wash) the dishes after dinner every day.

6. Lucy is good at_________ (dance) and everyone likes her very much.

7. Jack, _________ (not be) late for school again. Mr. Gao isn’t happy.

8. Jim is in the swimming club and he enjoys_________ (swim)in the swimming pool.

9. The girl often_________ (watch) football game. She is very special (特别的).

10. He is a new student in my school, so He _________ (not know) my classmates well.

某河流受到了生活污水的污染，分析了水体中氨氮、亚硝酸盐氮和硝酸盐氮3个指标的含量，结果是氨氮升高，而亚硝酸盐氮和硝酸盐氮含量变化不大，说明

A．水体曾受到过污染

B．水体受污染，有一定程度的自净

C．水体受到新近的污染

D．水体受到有机物的新近污染

E．有合成氨化肥的污染

防汛宣传具体抓好哪些工作？

在一级公路、快速公路上，应采用( )，以保证沥青面层有较好的使用性能和较长使用寿命。

A．密实式二灰粒料

B．悬浮式二灰粒料

C．密实式二灰粒料与悬浮式二灰粒料相结合

D．密实式二灰粒料与悬浮式二灰粒料60：40的比例混合

下列有关交通知识的表达中，正确的是（）。

A.未满2周岁儿童按全价票的10%购票

B.乘坐飞机随身携带行李重量不得超过10公斤

C.无论是手提或托运的行李中，都禁止夹带打火机

D.在飞机起飞前2小时之内退票，需支付原票款20%的退票手续费