高血脂症患者膳食中脂肪应占总热量的百分比为()
A.10~20
B.15~25
C.20~30
D.25~35
E.<35
参考答案:C
乘坐电梯有哪些礼仪要求?
One of the effective ways to lessen environmental pollution is the reservation and protection of more swamps.
A. vast thick corals B. pockets of wetlandC. warm volcanoes D. millions of bees and wasps