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【简答题】
What step is essential to the traditional production of flu vaccine? [A] Manufacturers implant the vaccine into ordered chicken eggs. [B] Scientists identify the exact strain soon after a flu pandemic starts. [C] Public health measures are taken as an important pandemic-fighting tool. [D] Viruses are deadened and made clean before being put into vaccine use.
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参考答案:
举一反三
【单选题】办公自动化中的软件如Word、Excel等必须以______作为支撑的平台。( )
A.
CCDOS
B.
MSDOS
C.
Foxpro
D.
Windows
【单选题】测得玉米品种金皇后10个果穗长度(x,cm)分别为:16,21,24,15,26,18,20,19,22,19,则样本标准差s=( )。
A.
3.4
B.
11.0
C.
20.0
D.
17.0
【简答题】按要求改写句子。 1. Please write down your name here. (改为否定句) Please ____ write down your name here. 2. I swept the floor just now. (改为一般疑问句) ____  you ____  the floor just now? 3. She needs to wear her schoo...
【单选题】Why not _____ down your mistakes in your notebook? [     ]
A.
to write
B.
writing
C.
write
【单选题】Excel中是以工作薄为文件存盘的,在第一次存盘时不必键入扩展名,Excel自动以()作为扩展名
A.
WKI
B.
XLS
C.
XCL
D.
DOC
【判断题】在EXCEL中,输入公式以":"作为开始。
A.
正确
B.
错误
【单选题】How can one find his personal achievements?
A.
write down all your achievements in work and life and fred patterns
B.
write down your remarkable skills
C.
write down only your accomplishments in work
【简答题】公式必须以“=”开头,然后输入表达式,否则Excel会将公式作为数据处理。( )
【判断题】数字不能作为Excel的文本数据。()
A.
正确
B.
错误
【单选题】Why don’t you ________?
A.
write down it     
B.
write down        
C.
write it down
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