【华慧考博】考博英语每日一练（6.2）考博加油！
1. To explore mechanical scent detection, a search institute has developed a synthetic nose which can detect scents in vapors at a _______ of one particle to a million.
A. number
B. percentage
C. proportion
D. ratio
2. After working for the firm for ten years, he finally ________ the rank of deputy director.
A. achieved
B. approached
C. attained
D. acquired
【补全句子练习】
1. I think it is ________ ________ a secret. It is being talked everywhere in the town.
我觉得这个事情不再是个秘密了，整个城里都在谈论它。
2. How dare you talk to the president_______ _______ _______?
你怎么敢和总统面对面谈话呢？
考博复试,面试扫盲,华慧考博英语2020年考博复试（面试）指导1对1辅导班 考博新手必备辅导!
gt;华慧2020年考博复试（面试）指导1对1辅导班
