CO2气体具有膨胀性和可压缩性,因而其密度受()和()的影响较大。
参考答案:温度;压力
上述哪种药物的副作用可出现痛风()
A.异烟肼
B.吡嗪酰胺
C.对氨基水杨酸
D.卡那霉素
E.利福喷丁
______ our food running out, we had to walk to a village for help.
A.As
B.Since
C.With
D.Because