在卫星云图中，蓝色表示（ ） A．陆地 B．海洋 C．云雨区 D．高山冰川

Some rules are almost the same _______ in the world, but rules of etiquette can be different from place to place. [ ]

A. somewhere

B. anywhere

C. nowhere

D. everywhere

Generally speaking, _________ main material for building houses has been concrete, but _________ wood and stone have also been used.

A．the; /　　

B．/; /

C．the; the 　

D．/; the

I enjoy the popular dance “hip--hop” , but ______my father _______ my mother like it .

A．both; and

B．not only; but also

C．either; or

D．neither; nor

慢性呼吸衰竭最多见的原因是：（）

A.肺血管病变

B.慢性阻塞性肺病

C.广泛胸膜增厚

D.广泛肺间质纤维化

E.呼吸肌疾病

以下王朝，不曾在西安建都的是（）。

A.商

B.秦

C.西汉

D.隋