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【单选题】
要使集成电路741LS138正常译码, 置成( )。A.
000
B.
100
C.
010
D.
111
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反馈参考答案：
举一反三
【单选题】关于预防肺结核病人肺切除术后并发症的措施,下列叙述不妥的是( )
A.
术前予以有效的抗结核治疗1-2周
B.
正确掌握手术适应症和手术时机
C.
严格无菌操作和提高手术水平，防止胸膜腔污染和出血
D.
保证术后胸膜腔引流通畅，促进肺复张
E.
术后加强抗菌药和抗结核药物治疗
【单选题】A 52-year-old man is brought to the emergency room after being found in the park where apparently he had lain overnight after a fall. He complains of severe pain in the left arm. Physical examination ...
A.
one
B.
two
C.
three
D.
four
E.
five
【简答题】海尔集团在某酒店举办西餐宴会,招待公司的外国客户。宴会中,值台员小张为客人送上“西冷牛排”后马上斟倒红葡萄酒,他先请主人品评了酒质,然后为每位客人斟倒了3/4杯;宾主致辞后,他马上给客人斟上香槟酒。请分析: (1)小张服务的不当之处并予以改正。 (2)西餐宴会中值台员应怎样为客人提供肉类菜肴服务?
【简答题】Give this memory test a try. Mix up 52 playing cards. Now look at the top seven for a second. Can you remember them in order? Players at the World Memory Championships can. In fact, the 2002 champion ...
【简答题】务必留意:以下5题为改错题,只写正确答案 Listen, try to find the 4 mistakes and write the correct anwers in the blanks. 52 years old Arivaca man has been arrested on charges of human smuggling. Two children and a woman w...
【单选题】下列有关预防肺结核病人肺切除术后并发症的措施中，错误的是（）
A.
术前予有效抗结核6～8个月
B.
正确掌握手术适应证和手术时机
C.
严格无菌操作，防止胸膜腔污染
D.
保持术后胸膜腔引流通畅，注意观察引流液的量、色和性状
E.
术后抗菌和抗结核治疗1周
【简答题】Passage Four Questions 48 to 52 are based on the following passage. The biggest safety threat facing airlines today may not be a terrorist with a gun, but the man with the portable computer in busines...
【单选题】阅读材料，回答题。 Man cannot go on increasing his number at the present rate. In the next 30 years man will faca period of crisis. Some experts believe that there will be a widespread food___ 51 ____. Other e...
A.
Need
B.
want
C.
Absence
D.
shortage
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