在这段城市道路上行驶的最高速度不能超过多少?()
A.30公里/小时
B.40公里/小时
C.50公里/小时
D.70公里/小时
参考答案:A
After graduation he took all his works to London ______ get a good job there.
A.so that
B.in order that
C.in order to
D.as to
水溶性最好的环糊精()
A.γ-CYD
B.β-CYD
C.γ-CYD
D.HP-CYD
E.乙基-CYD