题目内容

Electrons are divided into positive and negative charges.

A. 正电的
B. 正的
C. 阳性的

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Tom Hanks test positive for coronavirus.

A. 正电的
B. 正极的
C. 阳性的

The operation must be carried out under sterile conditions.

英译汉：When people are determined they can overcome anything.

汉译英：团结就是力量。