商务英语考试

【单选题】
A、by eating them.
B．by eating them and doing chemical analysis.
C．by doing chemical analysis.

网考网参考答案：B
网考网解析：
关键句："We eat them", "We also do chemical analysis to... document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>