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【单选题】
下列有关石蜡消毒的描述正确的是A.
将石蜡加热到90℃,经5min即可达消毒目的
B.
将石蜡加热到100℃,经5min即可达消毒目的
C.
将石蜡加热到90℃,经15min即可达消毒目的
D.
将石蜡加热到100℃,经15min即可达消毒目的
E.
将石蜡加热到100℃,经20min即可达消毒目的
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举一反三
【单选题】What time can a car stop here?
A.
At 9 a.m. on Tuesday.
B.
At 3 p.m. on Thursday.
C.
At 9 p.m. on Saturday
【简答题】A．They can take good care of their parents. B．They can have more time to work. C．They can not afford a new house. D．They can eat the already-done dinner after work.
【单选题】What was uncommon in the old ladies' time?
A.
Attending college
B.
Struggling to find a job
C.
Making paper chains
D.
Serving food to retired nuns
【单选题】What can we infer from the story?
A.
． Marty ’ s life is full of challenges.
B.
． Marty isn ’ t confident enough.
C.
． Marty loses heart because of his disability.
D.
． Marty hopes that everyone can help him.
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