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【单选题】
不宜用燃烧法消毒灭菌的物品是A.
拆线剪
B.
治疗碗
C.
试管
D.
污染的敷料
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【简答题】听力 1. What does the woman wish to do? A. Sell caps for small boys. B. Exchange the cap for a larger one. C. Make this cap a little smaller. 2. Where are they probably talking? A. Outside a bookstore. ...
【简答题】听下面一段对话，完成1-3题。 1. How is the man going to Beijing Wildlife Park tomorrow? [ ] A. By bus. B. In a car. C. On foot. 2. Where and when are they going to meet? [ ] A. At his uncle's home at 9 a.m...
【简答题】变压器的n=10，如果U2=220V，则U1的值为() A22伏 B2200伏 C其它
【简答题】听下面一段材料，回答第1至5题。 1. What does the woman wish to do? A. Sell caps for small boys. B. Exchange the cap for a larger one. C. Make this cap a little smaller. 2. Where are they probably talking? A. Outside...
【单选题】如果U={a,b,c,d,e},M={a,c,d},N={b,d,e},其中U为全集,则∁ U M∩∁ U N等于( )
A.
{d}
B.
{a,d}
C.
{d,e}
D.
∅
【单选题】如果 U ={ a , b , c , d , e } , A ={ a , c , d } , B ={ b , d , e } ,其中 U 是全集,那 C U A ∩ C U B =( )
A.
φ
B.
{ d }
C.
{ a , c }
D.
{ b , e }
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