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填空(共15小题,计15分) Benjamin was 1 . He didn't know why. He was having a fever and tired and didn’t feel like eating. His stomach hurt from time to time. At first he paid very little 2 to it, thinking he would be all right in 3 . But he didn't. After three weeks, he had to go to Dr. Barkley. The doctor did a few 4 . Then he asked Benjamin if he had gone 5 and drunk dirty water. Benjamin said he hadn't been camping since he was a soldier in the army. He asked if Benjamin had eaten at any fast food restaurants in the past month, or eaten from one of the 6 lunch trucks in the Los Angeles area. Benjamin said that he ate fast food or lunch truck food every day at noon. “That’s probably the 7 of your illness. You have hepatitis(肝炎) A, and you most likely got it from a food worker who didn't wash his hands thoroughly after using the 8 . It happens a lot.” “God! I'm not going to die, am I?” The doctor told him not to 9 . A viral infection(病毒感染) that 10 the liver(肝脏), hepatitis A kills only about 100 people every year in the US. He told Benjamin to see him every two weeks, and to be 11 to take three months 12 from work so that he could rest, rest, rest. There is no 13 to hepatitis A. You survive(存活), or you don’t. “But there is one good thing about hepatitis A,” Dr. Barkley said. “ 14 you get it, you’re immune(免疫) to it for the 15 of your life.” 小题1: A.energetic B.sleepy C.sick D.tired 小题2: A.money B.dollars C.attention D.focus 小题3: A.a week B.a month C.two months D.a year 小题4: A.chores B.tests C.seconds D.movements 小题5: A.fishing B.camping C.hiking D.sightseeing 小题6: A.a lot B.a little C.many D.much 小题7: A.resource B.cause C.research D.search 小题8: A.knief B.cookers C.restroom D.microwave oven 小题9: A.think B.eat C.worry D.cry 小题10: A.hurts B.breaks C.kills D.removes 小题11: A.OK B.ready C.necessary D.relaxing 小题12: A.away B.to C.off D.getting 小题13: A.solution B.answer C.hope D.need 小题14: A.Unless B.Until C.Once D.Twice 小题15: A.other B.rest C.whole D.part
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参考答案:
举一反三
【单选题】方解石为______:
A.
斜方晶系
B.
三方晶系
C.
四方晶系
D.
六方晶系
【单选题】镜下血尿是指离心沉淀后的尿沉渣在每高倍视野中见到的红细胞为( )
A.
1个以上
B.
2个以上
C.
3个以上
D.
4个以上
E.
5个以上
【多选题】下列哪一项蛋白质的性质描述是错误的( )
A.
处于等电状态时溶解度最小容易沉淀析出,类似蛋白质的变性
B.
加入少量中性盐溶解度增加
C.
变性蛋白质的溶解度增加
D.
有紫外吸收特性
【单选题】下列有关蛋白质变性的叙述,哪项是错误的()
A.
蛋白质变性时其理化性质发生变化
B.
蛋白质变性时其一级结构不受影响
C.
蛋白质变性时其生物学活性降低或丧失
D.
去除变性因素后变性蛋白质都可以复原
E.
球蛋白变性后其水溶性降低
【判断题】2 方解石菱形解理的短对角线与PP平行时,贝克线向树胶移动,方解石为负突起。
A.
正确
B.
错误
【单选题】镜下血尿是指离心沉淀后的尿沉渣在每高倍视野中平均见到的虹细胞为
A.
1个
B.
2个
C.
3个
D.
4个
E.
5个
【单选题】下面有关电泳技术的叙述哪项是错误的 ?
A.
电场强度增大,电泳速度加快产热也增多,蛋白质容易变性。
B.
表面电荷密度高的粒子,比表面电荷密度低的粒子移动速度快。
C.
电场强度降低,增加了标本的扩散电泳区、带分辨率增高。
D.
电泳时球状分子比纤维状分子移动速度快。
【单选题】镜下血尿是指离心沉淀后的尿沉渣在每高倍视野中平均见到的红细胞数为
A.
3个以上
B.
4个以上 C 5个以上 D.6个以上 E.7个以上
【简答题】写出下列矿物的常见解理特征:方解石为();黑云母为();辉石为();长石为();石英为();橄榄石为()。
【简答题】写出下列矿物的常见解理特征:方解石为();黑云母为();辉石为();长石为();石英为();橄榄石为()。
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