下列哪一项不是细菌和真菌生存的必需条件[ ]
A.阳光
B.水分
C.适宜的温度
D.有机物
答案:A
The movie, for one thing, is boring; for ______thing, it looks like ______.
A.another; another
B.the other; the other
C.another; the other
D.the other; another
工程上把热导率入()的材料作隔热保λ温材料。
A.<0.2W/(m℃)
B.<0.3W/(m℃)
C.<0.7W/(m℃)
D.<0.5W/(m℃)