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【判断题】
报警限值可在线修改。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】If water becomes increasingly scarce in decades__________，water shortage will become a hot issue
A.
25．If water becomes increasingly scarce in decades__________，water shortage will become a hot issue all over the world． A．coming
B.
having come
C.
to come
D.
to be coming
【多选题】Linux系统与Windows系统的区别是
A.
Linux系统没有盘符而Windows有盘符
B.
Linux系统是单任务的而Windows是多任务的
C.
Linux系统将设备映射为文件
D.
Linux是开源的而Windows不开源
【单选题】一般来说,动物细胞体外培养需要满足的条件是 1 无毒的环境 2 合成培养基需添加血清、血浆等 3 无菌的环境 4 温度与一般与动物体温接近 5 只有 O 2 的气体环境 6 能调节培养液 pH 的 CO 2
A.
①②③④⑤⑥
B.
①②③④
C.
①③④⑤⑥
D.
①②③④⑥
【单选题】Among the following statements about the SHEL model, the best one is( )
A.
The SHEL model showed the importance of the human in aviation system
B.
In SHEL model, the hardware in the center, is the most valuable, the most important factor
C.
The SHEL model indicates that the source of pilot error
【单选题】By the end of next year, I______for the company for 10 years.
A.
work
B.
am working
C.
had worked
D.
will have worked
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