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【单选题】
无菌操作中,正确的是A.
接种棒用酒精擦拭就可以直接接种了
B.
接种棒在紫外灯下照射了半小时，可以直接接种了
C.
双手擦过酒精棉，也只能接触无菌培养皿的外部
D.
双手擦过酒精棉，可以接触无菌培养皿的内部
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举一反三
【单选题】The teachers are doing what they _____ their stuaits.
A.
can to teach
B.
can teach
C.
can teaching
D.
can to teaching
【单选题】“乱石穿空,惊涛拍岸,卷起千堆雪。” 这三句描写的视角先后顺序是( )
A.
仰视――俯视――近看远望
B.
仰视――俯视――远望近看
C.
俯视――仰视――近看远望
D.
俯视――仰视――远望近看
【简答题】“乱石穿空,惊涛拍岸,卷起千堆雪”这三句中哪几个字用得非常妙,思考作者为什么极力描绘这些景象?
【判断题】“乱石穿空,惊涛拍岸,卷起千堆雪。”这三句正面描写赤壁的景色,历来为人所称道。“穿”“拍”“卷”三个动词,非常富有表现力,形象地传达了赤壁两岸悬崖绝壁、直插云霄的形态,惊涛拍岸所发出的巨大的涛声,以及像千堆雪一样汹涌的波涛的情状。寥寥 13 字,绘声、绘形、绘色,写出了赤壁壮丽的景色。
A.
正确
B.
错误
【单选题】The teaching of reading will be successful if teachers can ______.
A.
improve conditions at school for the students
B.
enable students to develop their own way of reading
C.
devise the most efficient system for reading
D.
make their teaching activities observable
【判断题】乱石穿空,惊涛拍岸,卷起千堆雪。”这三句正面描写赤壁的景色,历来为人所称道。“穿”“拍”“卷”三个动词,非常富有表现力,形象地传达了赤壁两岸悬崖绝壁、直插云霄的形态,惊涛拍岸所发出巨大的涛声,以及像千堆雪一样汹涌的波涛的情状。寥寥13字,绘声、绘形、绘色,写出了赤壁壮丽的景色。
A.
正确
B.
错误
【判断题】“乱石穿空,惊涛拍岸,卷起千堆雪。”这三句正面描写赤壁的景色,历来为人所称道。“穿”“拍”“卷”三个动词,非常富有表现力,形象地传达了赤壁两岸悬崖绝壁、直插云霄的形态,惊涛拍岸所发出巨大的涛声,以及像千堆雪一样汹涌的波涛的情状。寥寥13字,绘声、绘形、绘色,写出了赤壁壮丽的景色。
A.
正确
B.
错误
【单选题】The teaching of reading will be successful if ______.
A.
teachers can improve conditions at school for the students
B.
teachers can enable students to develop their own way of reading
C.
teachers can devise the most efficient system for reading
D.
teachers can make their teaching activities observably
【单选题】The teaching of reading will be successful if ______.
A.
teachers can improve conditions at school for the students
B.
teachers can enable students to develop their own way of reading
C.
teachers can devise the most efficient system for reading
D.
teachers can make their teaching activities observable
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