托福考试

【单选题】Listening 5 "BiologyClass"
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Why are bacteria being used in the research study at the university
A、Bacteria have unusual cell formations.
B、Bacteria live harmlessly on the skin.

C、Bacteria are similar to other life forms.
D、Bacteria cause many diseases in humans.
网考网参考答案：C
网考网解析：
[解析] Why are bacteria being used in the research study at the university Bacteria are similar to other life forms. document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>