问题
选择题
It is diving _____ great speed that often causes serious accidents.
A.on
B.at
C.for
D.in
答案
答案:B
在英文中表示以……速度,可用介词at,故本题选B。
It is diving _____ great speed that often causes serious accidents.
A.on
B.at
C.for
D.in
答案:B
在英文中表示以……速度,可用介词at,故本题选B。