[单选题]We can infer by this label that ______.

正确答案 ：A

the medicine could cause some people to feel nervous

解析：解析：B和C选项的内容与原文不符，属于错误信息；D选项内容也不正确，这种药为tablet意思为“药片”，本身并不是液体。A选项的内容可以由短文的最后一个句子“Reduce dosage if nervousness，restlessness，or sleeplessness occurs.”所确认。

[单选题]According to the passage, the first settlers used wood for their utensils and tools because it was ______.

正确答案 ：C

available

解析：解析：注意题干上的信号词utensils and tools，以此为目标可以很容易地找到本题的依据句“Because of the lack of other materials，early settlers were forced to make tools and utensils out of wood.”选择C的原因在于当时十分缺乏其他材料而木材到处都有所以得到采用。available意思为“有，存在”。

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