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【单选题】
对青霉素G无效的病菌为( )
A.
革兰阳性球菌
B.
革兰阳性杆菌
C.
革兰阴性球菌
D.
铜绿假单胞菌
E.
梅毒螺旋体
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【单选题】妊娠期肝炎特点,下列哪项是不正确的【 】
A.
消化道症状明显
B.
产后大出血多见
C.
重症肝炎比例高
D.
病死率高
E.
对胎儿无影响
【单选题】妊娠期肝炎特点,下列哪项是不正确的()
A.
消化道症状明显
B.
产后大出血多见
C.
肝衰竭比例高
D.
病死率高
E.
对胎儿无影响
【简答题】I went deaf in my right ear and was left with 50 percent hearing in my left. (Para.1)
【简答题】Section 3 questions 21-30 每题 3 分,共 30 分。 Questions 21-26 Choose the correct letter, A, B or C. General Course Details 21 What is the defining characteristic of a specialized course? A taking a profici...
【单选题】Section A Directions: This section is to test your ability to understand short dialogues. There are 5 recorded dialogues in it. After each dialogue, there is a recorded question. The dialogues and the...
A.
30 minutes.
B.
37 minutes.
C.
7 minutes.
D.
23 minutes.
【简答题】When I was three years old, my parents discovered I was totally deaf. But instead of sending me to a school for the deaf, they decided to “ mainstream ” me. All of my peers and teachers world have nor...
【简答题】Section C For Americans, time is money. They say, “You only get so much time in this life; you’d better use it wisely.” The future will not be 21 than the past or present, 22 people use their time for...
【简答题】Paper on public libraries Section 3 Questions 21-30 Questions 21-23 Choose the correct letter, A, B or C. Questions 24-30 Complete the notes below. Write ONE WORD ONLY for each answer.
【简答题】已知聚乙烯与聚甲基丙烯酸甲酯的流动活化能分别为42kJ/mol和193kJ/mol,聚乙烯在200℃时的黏度为91Pa.s,聚甲基丙烯酸甲酯在240℃时的黏度为200Pa.s。 (1)计算聚乙烯在210℃和190℃时的黏度; (2)计算聚甲基丙烯酸甲酯在250℃和230℃时的黏度;
【单选题】采用接触式或非接触式(______、红外线)等方式对实物的结构进行扫描,获得三维人体模型,用于影视、游戏、医疗、虚拟现实等领域。
A.
激光
B.
x光
C.
led
D.
lcd
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