改树适地
参考答案:
在地和树某些方面不太相适的情况下,通过选种、引种驯化、育种等手段改变树种的某些特性使之能够相适。
下列各句均有一处错误,请找出并改正。
1.After a few minutes he came to myself and said, "Don't worry,I'm OK."______
2.Xiao Ming,don't play the water in the bottle.______
3.After the accident he lay on the road and almost couldn't breathe_______
4.Shall we go out for a walk after the lunch?_______
5.He went to work on foot instead driving his car.________
向有机混合液中加(),可使其中某种有机溶质析出
A.NaCl
B.NH4Cl
C.水
D.苯