题目内容

平屋顶和斜屋顶的坡度区分界限值是()。

A. 0.02
B. 0.06
C. 0.1
D. 0.12

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如果某一地区既无铂矿也无铀矿，则下列哪一地区不可能有铂矿？()

A. F。
B. G。
C. H。
D. I。

Section A
Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A, B, C and D, and decide which is the best answer.
(12)

A. In an office.
B. In a hotel.
C. At a dinner table.
D. At the man's house.

公民对海关处1万元以上罚款的处罚有要求听证的权利。

A. 正确
B. 错误

病原体在苍蝇、蟑螂的体表或体内均不能繁殖，一般仅能存活2～5天，它们在觅食时通过接触、反吐或随粪便将病原体排出体外，污染食物或食具，人们摄入被污染的食物或使用这些食具而受感染。称之为E．