某地国土局局长因在土地征用过程中收受贿赂而被判处有期徒刑15年。这是其作为行政领导者

单项选择。

She didn't go to school yesterday (昨天)             she was ill. [ ]

A. because

B. so

C. and

D. but

用括号内所给词的适当形式填空。

1. _______ (not believe) him. He tells a lie.

2. Lillian _______ (not have) the green dress

    and she _______ (not do) housework.

3. He even wants _______ (be) a Beijing Opera artist.

4. I like _______ (comedy). ________ (it) are very interesting.

5. His friend's birthday is December ________ (twelve). Mine is April ________ (four).

    I will spend my ________ (nine) birthday this year.

吗啡常见的不良反应有()

A．皮肤瘙痒、尿潴留、偶尔也引起呼吸抑制

B．高热

C．腹痛，腹泻

D．低血糖

E．散瞳

生活中常常会有认识上的误区，另外有些不法商贩往往以次充好来牟取暴利．当你遇到下列情况，怎样用简单的化学方法来鉴别：

（1）用聚氯乙烯塑料袋代替聚乙烯包装食品______．

（2）如何辨别化纤毛线和纯羊毛线______．

（3）用铝制工艺品冒充纯银工艺品______．

钩虫病成虫寄生引起的主要临床症状是（）

A.营养不良

B.钩蚴性皮炎

C.贫血

D.呼吸道症状

E.充血性斑点