地层的变形或变位造成的一种或多种地层形态称为（）。A.褶皱构造 B.褶曲构造 C.地

能够引起猪呼吸道症状，并能引起禽类霍乱，鲜血培养基才能生长的病原是（）

A．猪链球菌

B．大肠杆菌

C．沙门氏菌

D．多杀性巴氏杆菌

E．副猪嗜血杆菌

治疗痰食阻滞，胃中不和之失眠者，宜选用

A．交泰丸
B．半夏秫米汤
C．黄连阿胶汤
D．天王补心丹
E．黄连温胆汤

用所给单词的适当形式填空。

1. We must speak English _____________. (good)

2. My son is a ______________ (carelessly) boy. He often makes some mistakes. (错误)

3. My ruler is too short. Can you lend me a ___________ (long) one?

4. Her mother ______________ (wash) her clothes now.

5. No one wants _______________ (speak) English badly.

— It's time for sports.

— Let's put on our sports shoes ____ go to the playground. [ ]

A. and

B. or

C. so

D. but

某旅游船在湖面上航行，小明坐在该旅游船的座位上．如果说他是静止的，则选择的参照物是（　　）

A．该旅游船

B．湖岸边的树

C．湖中的水

D．远处的山峰