根据植物对光需要的程度不同,可将植物分为()。
参考答案:阳性植物、阴性植物、耐阴植物
We hope the measures to control house prices, ________ are taken by the government, will succeed.[ ]
A. which
B. that
C. what
D. as
x+2x=5变形为(1+2)x=5运用了乘法结合律.______.