问题
选择题
The light will be thrown ______ the cause of cancer by research that is now in progress.
A.to
B.upon
C.in
D.for
答案
答案:B
考查介词的用法。句意“正在进行的研究将对癌症的起因进行解释。”throw light on/upon sth.“解释,阐明”。故选B。
The light will be thrown ______ the cause of cancer by research that is now in progress.
A.to
B.upon
C.in
D.for
答案:B
考查介词的用法。句意“正在进行的研究将对癌症的起因进行解释。”throw light on/upon sth.“解释,阐明”。故选B。