用汽缸压力表检测汽缸压缩力时，每缸压力与各缸平均压力的差，汽油机不超过（）。
A.5%
B.8%
C.10%
D.15%
参考答案：B
不符合慢性胰腺炎病理特点的是（）
A.胰腺质地变硬
B.腺泡萎缩、导管扩张
C.间质纤维组织增生、单核细胞浸润
D.胰腺组织广泛坏死
E.可形成假囊肿
Many people believe that hunger is only a problem in the developing world. ______, it is a problem all over the world.
A．For one thing
B．In addition
C．As well
D．On the contrary
