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【单选题】
鉴别培养基是根据微生物代谢特点在培养基中加入一些物质配制而成,这些物质是:
A.
指示剂或化学药品
B.
青霉素或琼脂
C.
高浓度食盐
D.
维生素或指示剂
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举一反三
【简答题】The heavy snow didn't stop us from ______(go) .
【简答题】The heavy snow didn't ________ the international airlines .( )A. pay attention to B. add to C. make a difference to D. keep to
【单选题】We didn’t arrive at school on time yesterday morning ________ the heavy snow.
A.
because
B.
because of
C.
so
D.
so that
【单选题】中国绘画中哪一个门类地位最高,最重要?
A.
人物画
B.
山水画
C.
花鸟画
【单选题】负责对药物临床研究、药品生产审批的是( )。
A.
国家药品监督管理局
B.
.国家医药管理局
C.
.省级食品药品监督管理部门
D.
卫生部
【单选题】()是调整实物资产账簿记录的重要原始凭证,也是分析产生差异的原因,明确经济责任的依据
A.
盘存单
B.
实存账存对比表
C.
银行对账单
D.
库存现金盘点表
【单选题】Why didn't you tell me there was no meeting today? I _____ all the way here through the heavy snow. [     ]
A.
needn't have driven
B.
can't have driven
C.
mustn't have driven
D.
shouldn't have driven
【单选题】运输层通过端口向上层的应用进程提供服务,这个端口是()位二进制?
A.
8
B.
16
C.
32
D.
64
【单选题】They didn’t arrive on time the heavy snow.
A.
because
B.
because of
C.
rather than
D.
instead of
【单选题】_____ in a heavy snow, he didn’t get there in time.
A.
Catching
B.
Catch
C.
Caught
D.
To catch
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