贝贝画了一个周长是0.84米的长方形,已知这个长方形的长是0.3米,它的宽是多少米?(列方程解答)
解:设这个长方形的宽为x米。
2×(0.3+x)=0.84
x=0.12
茯苓与薏苡仁具有的共同功效是()
A.安神
B.除痹
C.通乳
D.解毒
E.健脾
The doctor thought _____ would be good for you to have a holiday. [ ]
A. this
B. that
C. one
D. it