四六级考试

【单选题】
A、The bacteria would be killed by the human immune system.
B．The bacteria would die if brought to the surface.
C．Many antidotes and remedies are available.
Drilling operations are always closely monitoreD、

网考网参考答案：B
网考网解析：
According to the man, why is there no danger of infection by the bacteria document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>