用14C标记CO2,可用于研究光合作用过程中[ ]
A.光反应的条件
B.暗反应(碳反应)的条件
C.能量的转换过程
D.W由CO2合成糖类的过程
答案:D
将所给单词连成完整、正确的句子。(每小题2分,共10分)
1. what today weather the like is
______________________________________?
2.he around looked me at turned and
___________________________________.
3 can’t without live animals plants
_______________________________________.
4 covers are boxes of the glass special made
_____________________________________________.
5of some scared are dogs girls
____________________________________
治疗股胀时,适宜用逐水法的有
A.腹水较多者
B.大便不通者
C.利尿无效者
D.小便不利者