Question

【题目】The roller coaster moved _____ high speed and they were screaming and laughing _____ the ride.
A.in; through
B.at; through
C.in; during
D.at; over

Answer 1

【答案】B
【解析】句意：这个过山车以很高的速度运行，他们整个乘坐的过程中都在尖叫大笑。at the speed of以……的速度；through从头到尾,故选B。