题目内容

According to the passage, winch of the following is tree？

A fixed star refers to a star that is always stationary on the sky.
B. Scientists can tell the motion of the earth from the motions of five other planets.
C. Ancient people had scant knowledge about the movement of the stars.
D. All the stars on the sky can be seen all year long.

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The European Union countries were once worried that they would not have ______ supplies of

A. proficient
B. efficient
C. potential
D. sufficient

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What is the most important of the realities listed？

A. New vulnerabilities will be introduced into your environment every day.
B. If employees disregard warnings about the hazards of opening questionable email attachments, the manager should educate them about properly configuring firewalls and intrusion detection systems for their PCs.
C. Managers have more responsibility than ever.
D. Security managers are asked to support increasing degrees of network availability and access.

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What kind of disease is not related to the use of mobile phones？

A. Fatigue.
B. Headache.
C. Alzheimer's disease.
D. Tuberculosis.

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如果说人生是一首优美的乐曲，那么痛苦则是其中一个不可缺少的音符；如果说人生是一望无际的大海，那么挫折则是其中偶然翻起的浪花；如果说人生是湛蓝的天空，那么失意则是一片漂浮的白云。我们可以从这首小诗中领悟到的哲理是（）。

A. 事物的发展是量变与质变的统一
B. 矛盾无处不在，无时不有
C. 事物发展是前进性与曲折性的统一
D. 矛盾的主要方面决定事物的性质

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According to the passage, winch of the following is tree？

A fixed star refers to a star that is always stationary on the sky. B. Scientists can tell the motion of the earth from the motions of five other planets. C. Ancient people had scant knowledge about the movement of the stars. D. All the stars on the sky can be seen all year long.

The European Union countries were once worried that they would not have ______ supplies of

What is the most important of the realities listed？

What kind of disease is not related to the use of mobile phones？

A fixed star refers to a star that is always stationary on the sky.
B. Scientists can tell the motion of the earth from the motions of five other planets.
C. Ancient people had scant knowledge about the movement of the stars.
D. All the stars on the sky can be seen all year long.