单选题：The fact that the heart is on the left side of the mother's

题目内容：

The fact that the heart is on the left side of the mother's body provides the most convincing explanation of all. A．Right
B．Wrong
C．Not mentioned

参考答案：

答案解析：

Sulfur has occasionally been found in the earth in an almost

Sulfur has occasionally been found in the earth in an almost pure state.A．regula

分类：卫生类题型：单选题

In November the commission delayed a decision on the deal, saying it was more __

分类：卫生类题型：单选题

The word "considered" in paragraph 5 could be best replaced byA．"thought". B．"ra

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Accompanied by cheerful music, we began to dance.A．pleasant B．colorful C．fashion

分类：卫生类题型：单选题

分类：卫生类题型：单选题