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【单选题】
病毒与其它微生物最重要的区别是
A.
体积微小,以纳米为测量单位
B.
在无生命培养基中不能生长
C.
感染的易感细胞内,多有包涵体形成
D.
无细胞结构,仅有一种类型核酸
E.
对干扰素及某些中草药敏感
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参考答案:
举一反三
【单选题】单词sheet在词组a sheet of newspaper 中的意思,应当理解为
A.
张;片
B.
C.
床单;被单
【单选题】期货公司营业部变更负责人的,期货公司应当向( )提交关于变更负责人申请书和拟任负责人任职资格证明。
A.
原负责人所在地的中国证监会派出机构
B.
拟任负责人所在地的中国证监会派出机构
C.
营业部所在地的中国证监会派出机构
D.
其住所地的工商行政管理机构
【简答题】Probably nothing can make students feel lower or higher _____ (emotion) than the waythey are relating to whomever they are having a romantic relationship with.
【判断题】为保证可靠换流,晶闸管必须在u a 过零前 时间触发。
A.
正确
B.
错误
【单选题】T here is nothing in the world can make him give up his dream.
A.
that
B.
what
C.
which
D.
who
【多选题】Direction: Individuals can do nothing to improve the environment, and only governments can make a difference. To what extent do you agree or disagree ? Choose what individuals (rather than governments...
A.
huge investment not only in capital but also in human resources
B.
recycling household wastes
C.
public transportation instead of private vehicles;
D.
increasing people's awareness by means of non-commercial ads
E.
avod using plastic bags harmful for the environment
F.
regulation and prohibition on daily practices, even punishment for those people with misbehaviors
【判断题】PTO为高速脉冲串输出,它可输出一定脉冲个数和一定周期的占空比为50%的方波脉冲。( )
A.
正确
B.
错误
【单选题】Nothing can make the brave soldier _______ his country.
A.
turn against
B.
to turn against
C.
to turn to
D.
turn to
【判断题】含RLC的一端口电路,在特定条件下出现端口电压和电流值相等的现象时,称电路发生了谐振。
A.
正确
B.
错误
【判断题】PTO为高速脉冲串输出,它可输出一定脉冲个数和一定周期的占空比为50%的方波脉冲。
A.
正确
B.
错误
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