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【单选题】

What can be inferred from the first paragraph

A.
GM foods are particularly good to the kwashiorkor patients.
B.
We cannot recognize the benefits of GM foods too early.
C.
GM foods may have both benefits and harm.
D.
GM foods may bring about great benefits to humans.
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参考解析:
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举一反三

【单选题】Which of the following records has been a source of information in the author's investigation

A.
United States Immigration Service reports from 1914 to 1930.
B.
Payrolls of southern manufacturing firms between 1910 and 1930.
C.
The Volume of cotton exports between 1898 and 1910.
D.
The federal census of 1910.

【单选题】做好统计工作,达到预期规划,最重要的是()。

A.
整理数据要详细
B.
原始数据要正确
C.
原始数据要多
D.
统计数据要领先
E.
计算机统计精度要高

【单选题】下列叙述中正确的是( )。

A.
数据库系统是一个独立的系统,不需要操作系统的支持
B.
数据库技术的根本目标是要解决数据的共享问题
C.
数据库管理系统就是数据库系统
D.
以上三种说法都不对

【单选题】思维发展成熟的阶段是( )。

A.
形式运算阶段
B.
具体运算阶段
C.
前运算阶段
D.
感知运算阶段

【单选题】Which of the following idioms may be used by the author as a suggestion for minimizing risks

A.
More haste, less speed.
B.
Don't put all your eggs into one basket.
C.
Don't count your chickens before they are hatched.
D.
Look before you leap.

【单选题】下列哪项不是急性白血病痰热瘀阻证的主症

A.
心烦口苦
B.
腹部瘕积
C.
头身困重
D.
口渴喜饮
E.
痰多胸闷