【单选题】【消耗次数：1】
下列土壤孔隙所吸附的土壤水,有效性最高的是（）。
①
A.非活性孔隙
②
B.通气孔隙
③
C.毛管孔隙
④
D.无效孔隙
参考答案：
复制
纠错
相关题目
【单选题】
材料的孔隙率增大，材料的（）低。
①
强度、憎水性、吸水性 B密度、强度、抗冻性 C.吸湿性、抗渗性
②
料的孔隙率增大，材料的（）低。 A.强度、憎水性、吸水性 B密度、强度、抗冻性
③
吸湿性、抗渗性、耐水性
④
表观密度、强度、密实度
随机题目
【单选题】
When Ann broke the dish she tried to put the ____ back together.
①
fragments
②
pieces
③
bits
④
slices
【单选题】
I really do not know whether we can succeed, so do
not expect ____.
①
too much of us
②
us too much
③
of us too much
④
us of too much
【单选题】
Frank almost never received any education, ____?
①
would he
②
did he
③
didn’t he
④
wouldn’t he
【单选题】
The teeth are ____, but they look very natural.
①
false
②
correct
③
fake
④
unnatural
【单选题】
You should know better than ____ your little sister at
home by herself.
①
to leave
②
leaving
③
to have left
④
left
【单选题】
There _____ a basketball match between Class One and Class Three this afternoon.
①
is going to be
②
will have
③
are going to be
④
is going to have
【单选题】
A well written composition ____ good choice of words and clear organization among other things.
①
calls for
②
calls on
③
calls up
④
calls off
【单选题】
A large part of a person’s memory is ____ words and combination of words.
①
by means of
②
in terms of
③
in connection with
④
by way of
【单选题】
Outside my office window there is a fire ____ on the right.
①
escape
②
ladder
③
steps
④
stairs