场地越小的运动对礼仪的要求越高，对观众的要求也越高。
参考答案：对
An agreement seems to be impossible because the majority of the committee members are ______________ it.
A．against
B．for
C．to
D．with
图1是酶促反应示意图，甲、乙、丙、丁四种物质属于酶的是（）
A.甲
B.乙
C.丙
D.丁
