The ____of AIDS has led to an expansion in research seeking a cure.
更新时间:2024-11-24 02:25:39 A、innovationC
【句意】爱滋病的扩散使得人们做更多的研究工作去寻找治疗的方法。
【难点】proliferation意为“激增;扩散”;innovation意为“革新，创新”;selection意为“选择;选拔”;conviction意为“定罪，判罪”。
I ’ve nev er been out of China___________. What about you?
It’snecessary_________usallto________
You’dbettersing.Itdoesn’t______whetheryoucansingwellornot.
Dr. Yang worked ______ three days ago.
I am sorry I have no time at present to ____more detail or give you an account of other cities of interest.
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