皮皮学，免费搜题
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【单选题】
高压蒸汽灭菌法灭菌所需温度和需维持时间分别为:A.
121.3℃，15～20min
B.
160℃，2h
C.
100℃，10min
D.
100℃，15～20min
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皮皮学刷刷变学霸
举一反三
【单选题】--- Mary, wash your clothes today, ______? --- But I washed them yesterday.
A.
do you
B.
will you
C.
didn’t you
D.
don’t you
【单选题】When Li Ming and Mary met for the first time, Mary greeted Li Ming by saying ______
A.
How are you?
B.
Nice to meet you.
C.
How do you do?
【简答题】Mary washed for a living after her husband died of cancer.
【单选题】Mary washed for a living after her husband died of cancer.
A.
玛丽的丈夫癌症去世后,就靠洗衣服维持生活。
B.
玛丽的丈夫癌症去世后,就靠洗维持生活。
【单选题】Now then, children, It’s time you ________.
A.
were washed and dressed
B.
washed and dressed
C.
are washed and dressed
D.
washed and dress
【简答题】Li Hong washed dishes at home. ( 划线提问 ) _________________________________
【单选题】临床上VI类洞指的是( )
A.
所有牙面发育点裂隙沟的龋损所备成的窝洞
B.
发生于后牙邻面的龋损所备成的窝洞
C.
前牙邻面未累及切角的龋损所备成的窝洞
D.
发生在前牙切脊和后牙牙尖等自洁区的龋损所备成的窝洞
【单选题】Now then, children, Its time you ________.
A.
were washed and dressed
B.
washed and dressed
C.
are washed and dreesed
D.
washed and dress
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