高锰酸钾晶体是什么颜色的?()
A.绿色
B.蓝色
C.紫色
D.黄色
参考答案:C
Most members of the committee were in favour of the suggestion; only a ________ were against it.
A.majority
B.minority
C.quantity
D.amount
婴幼儿对外界环境的刺激,适应性(),容易收到有害物质的影响。
A.较高
B.较强
C.较低
D.一般