皮皮学，免费搜题
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【单选题】
固体培养基在放入培养箱培养时,应该( )置。A.
正
B.
倒
C.
反
D.
先正,后倒
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皮皮学刷刷变学霸
举一反三
【单选题】Every minute must be made full use ______ at the preparations for the exams.
A.
of to work
B.
of work
C.
of working
D.
to working
【单选题】下列关于风媒花的适应性特征说法错误的是( )。
A.
花小，被没有鲜艳的颜色甚至退化，形成密集的花序，常先叶开花
B.
雄蕊花丝细长，开花时伸出花外
C.
花粉粒体积大，有粘性物质分泌
D.
雌蕊柱头较长，常呈羽毛状等形状
【简答题】花卉栽培的方式有几种？
【单选题】Every minute must be made full use of ______ our lessons, for the college entrance exam is coming.
A.
going over
B.
to go over
C.
go over
D.
our going over
【单选题】Every minute must be made full use of ____ our lessons, for the final examination is coming.
A.
going over
B.
to go over
C.
go over
D.
to going over
【简答题】Every minute must be made full use of ________ our lessons, for the college entrance exam is coming. [A] going over [B] to go over [C] go over [D] our going over
【简答题】花卉的栽培方式有
【单选题】Every minute must be made full use of________spoken English.
A.
to practise
B.
practising
C.
to practising
D.
practice
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