下列食物链中正确的是[ ]
A.蝉→螳螂→黄雀→细菌
B.蝉→螳螂→黄雀
C.树木→蝉→螳螂→黄雀
D.树木→蝉→螳螂→黄雀→细菌
答案:C
I can't fly a kite, because it's _________ hard.[ ]
A. too
B. very
C. to
D. much
HELLP综合征应与血栓性血小板减少性紫癜、妊娠急性脂肪肝相鉴别。