题目内容

一个岗位可以包括一个或几个 ()。

A. 行业
B. 地区
C. 职业
D. 工种

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宪法是国家的()，具有最高的法律地位和法律效力。

A. 基本法
B. 综合法
C. 根本法
D. 普通法

根据《火灾分类》(GB4968-1985)按物的燃烧特性将火灾分为()类。

A. 6
B. 8
C. 4
D. 5

Hornfelsis a metamorphic rock formed when magma(molten rock) heats sedimentary rocks on Earth’s sur-face. According to Figure 1, hornfels is most likely amember of which of the following facies？

A. Facies A
B. Facies C
C. Facies E
D. Facies G

According to Scientist 2’s viewpoint, compared to thealtitude at which a stony asteroid would have explodedin Earth’s atmosphere, a comet of similar size wouldmost likely have exploded at:

A. the same altitude.
B. a higher altitude.
C. a slightly lower altitude.
D. a much lower altitude.