【2013届江苏省启东中学第一次月考】22. Scientists say human activity contributes to climate change, but they do not agree on the rate_______ climate change may be developing.
A. with which B. with that C. at which D. at that
【2013届江苏省启东中学第一次月考】34. ________ some teenagers don’t realize is ________ difficult life can be after they get addicted to drugs.
A. What; how B. That; how C. What; what a D. That; what
【2014届天津第一百中学月考】22.It is uncertain side effect the medicine will bring about , though about one thousand patients have taken it.
A. that B. whether C. what D. how
【2014届天津南开中学月考】22. Some researchers believe that there is no doubt______a cure for AIDS will be found.
A. whether
