鳶尾()月形成花蕾时,要适当施追肥。
A.3
B.4
C.8~9
D.10
参考答案:C
We go to school from Monday to Friday, and go to ___ cinema on Saturday or Sunday.
A.a
B.the
C.an
D./
采用毛石砌筑时,上皮与下皮毛石的接缝应错开( )mm以上,毛石之间应犬牙交错,尽可能缩小缝隙。
A.80 B.90C.100 D.120