题目内容

Why does the FDA say that the mercury labeling is unneccesary?

A. Because the pulic isn't interested in it.
Because the labeling is not always accurate.
C. Because the mercury labeling will panic the pulic.
D. Because all the fish sold at the grocery stores is tested and healthy.

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What do you know about Matthew?

A. He is a collge student.
B. His daily diet is changed to be mainly fish.
C. The mercury level in his blood was 125 times higher than normal.
D. He failed to study well because if the high mercury level in his blood.

Which of the following statements is TRUE according to the report?

A. It is hard to explain why some fishes contain mercury.
B. The mercury level in tuna can be 300 times higher than that of other fish.
C. The consumers are anxious to know the exact mercury level in the fish they buy.
D. A small California grocery chain is the first to adcocate the mercury labeling.

连续曲线上凹弧和凸弧的分界点是拐点。

A. 对
B. 错

排序算法的稳定性是指()。

A. 经过排序后,能使值相同的数据保持原顺序中的相对位置不变
B. 经过排序后,能使值相同的数据保持原顺序中的绝对位置不变
C. 经过排序后,数据序列的存放数组的结构保持不变
D. 经过排序后,数据序列的存放数组的结构随之变化

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