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(提示:此题为改错题;请将划线词的正确表达填在对应的空格中, 有一处划线词需删除, 请回答“删除”; ()处为添加一词。) "Antibiotics do not work against viruses, only bacteria," the WHO said on (1) it’s official website. However, if (2) the patient is hospitalized for the virus, he may (3) accept antibiotics since "bacterial co-infection is possible," the organization added. Up to now, there (4) are no specific medicine for preventing or treating the virus, the WHO said, adding that it is working with partners to help accelerate (5) relating research and development work. "People of all ages" can be infected with the novel coronavirus, (6)( ) elder people and people with pre-existing medical conditions are more (7) like to suffer, the WHO said. The organization advised people to wash hands after contacting (8) with pets, which can help protect them against"various common bacteria that can pass (9) among pets and humans." Chinese health authorities said on Monday that it received reports of 2,829 new confirmed cases of novel coronavirus infection and 57 (10) death on Sunday.
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举一反三
【单选题】中药有效成分为挥发油或其他挥发性成分时,可采用何法提取
A.
透析法
B.
蒸馏法
C.
水醇法
D.
酸碱法
E.
萃取法
【单选题】—— What do you think of my speech? Being watched by so many people, I always feel nervous. —— You ______ quite well, though.
A.
carried it off
B.
carry it off
C.
had carried it off
D.
have carried it off
【单选题】公差值是()。
A.
正值
B.
负值
C.
零值
D.
可以是正、负或零
【判断题】公差值可以是正值、负值、零。
A.
正确
B.
错误
【单选题】尺寸公差值( )。
A.
可以为正值或为零
B.
只可以为正值
C.
可以为正值、负值或为零
D.
可以是正值、负值,但不能为零
【简答题】存储容量是指 ,有一个存储器,其地址线为 A7---A0 ,数据线为 D11---D0 ,其存储容量是 。
【单选题】尺寸公差的数值( )。
A.
可以是正值、负值,但不能为零
B.
可以为正值、负值或为零
C.
只可为正值
D.
只可为负值
【简答题】蒲焼,一般为常见食材多数是以( )烧烤而成。吃时一般都会撒上含有中药成分的( )粉。以增加口感、帮助消化。
【判断题】偏差可为正值、负值或零。公差通常是正值,个别情况下,可以是负值或零。(    )
A.
正确
B.
错误
【单选题】尺寸公差值( )。A.可以是正值、负值,但不能为零B.可以为正值、负值或为零C.只可为正值D.可为正值
A.
尺寸公差值( )。 A.可以是正值、负值,但不能为零
B.
可以为正值、负值或为零
C.
只可为正值
D.
可为正值或为零
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