【单选题】Land is becoming desert little by little because ______.
A.
plants can't grow there
B.
there is not enough rain
C.
people haven't clone what scientists wish them to do
D.
scientists know little about the deserts
【单选题】某人在进行语言活动时,能够听到声音,也能够进行正确的语音和语法表达,但是不能将听到的语词分离出来,且存在词义估计错误,则可推测其致病部位是()
【单选题】增大压强,能使化学平衡向正反应方向移动的反应是
B.
2NO(g) + O2(g) 2NO2 (g)
C.
CaCO3(s) CaO(s) + CO2(g)
D.
Fe3O4(s) + 4CO(g) 3Fe(s) + 4CO2(g)
【单选题】They notice that plants don't grow well _______ is much shade. [ ]
【单选题】Their plants don’t grow very well, but _________ look really good.
【单选题】Land is becoming desert little by little because ______.
A.
plants can't grow there
B.
there is not enough rain
C.
people haven't done what scientists wish them to do
D.
scientists know little about the deserts