周围血液淋巴细胞减少见于（）
A．病毒感染
B．寄生虫病
C．结核病
D．应用肾上腺皮质激素后
E．淋巴细胞白血病
参考答案：D
He has stayed there for _________,but ________he likes to stay at home.
A．sometime; sometimes
B．sometime; some time
C．some time ; sometimes
D．some time; some times
A．C4H8的Ω与C3H6、C2H4的Ω不相同
B．C10H8的Ω为7
C．1molΩ为3的不饱和链烃再结合6molH即达到饱和
D．CH3CH2CH=CH2与环丁烷的Ω相同
