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【单选题】
菌体浓度的测定方法中最简便快捷的方法是( ) 。
A.
干重法
B.
比浊法
C.
体积测量法
D.
显微计数法
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参考答案:
举一反三
【简答题】句型转换。(5分) 1.Simon does his homework in his bedroom every night.(改为否定句) Simon __________  __________ his homework in his bedroom every night. 2.Millie plays badminton for an hour every day.(写出同义句) Mill...
【单选题】按计算机病毒存在的方式,可以分为文件型病毒、引导型病毒和( )。
A.
系统病毒
B.
良性病毒
C.
恶性病毒
D.
网络病毒
【简答题】句型转换。 1.Simon does his homework in his bedroom every night.(改为否定句) Simon ________  ________ his homework in his bedroom every night. 2.Millie plays badminton for an hour every day.(写出同义句) Millie _____...
【单选题】计算机病毒按存在的方式,可以分为文件型病毒、引导型病毒和()。
A.
系统病毒
B.
良性病毒
C.
恶性病毒
D.
网络病毒
【判断题】Java程序是由若干类定义组成的,类定义包括定义类头和定义类体。
A.
正确
B.
错误
【单选题】工艺原则适用于的生产类型是 ______。
A.
连续生产
B.
大量生产
C.
大批生产
D.
小批生产
【简答题】Simon thought his computer was broken _______ his little brother pointed out that he had forgotten to turn it on. A.until B.since C.after D.because
【判断题】Ryan and Chloe are surprised that Simon painted his room yellow.
A.
正确
B.
错误
【单选题】Why was Simon unhappy with his first climb?
A.
He was slower than everyone else.
B.
He found it hurt his arms.
C.
He didn't get to the top.
【判断题】Mary helps Simon with his check-in.
A.
正确
B.
错误
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