氯气纯度愈高,氯气分压(),在相同的液化效率时,废()气纯度()。
参考答案:愈大;尾;愈大
大量咯血是指
A.一次咯血量小于100ml
B.一次咯血量大于100ml
C.一次咯血量大于200m1
D.一次咯血量大于300m1
E.24小时咯血量大于300m1
–Will you come over for dinner on Monday or Tuesday?
–I’m afraid _______ day is OK. I’ll fly to Paris on holiday for the whole week.
A. neither B. either C. both