早、中、晚三餐热量比例正确应为
A.20%、40%、40%
B.30%、30%、40%
C.40%、30%、30%
D.30%、40%、30%
E.40%、40%、20%
参考答案:D
不等式2x+5≤9的非负整数解为______.
Mr Simmons _ of medium build, and he has brown hair. [ ]
A. is
B. has
C. looks like
D. isn't