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As we know, it is common for people to catch a cold in winter and most people believe they know the reason for colds. However, scientists say people have some wrong beliefs about the cause of colds. Many people think that once you get infected by colds, you will not be easy to be attacked by colds for the rest of your life. That’s not the case. There are about 200 different viruses that cause the common cold. You catch a cold because of one kind of them this time, but you might catch a cold next time because of another. Others believe that people get sick just because of the cold weather in winter. That is also wrong. It’s because people tend to stay closer in winter and the cold virus is transmitted from one person to another through handshakes, sneezing, or coughing. While there is no actual cure for the common cold, scientists say there are still a few things you can do to help you. Some experts say honey and chicken soup are effective against colds. Especially honey. There is increasing evidence that it helps shorten the duration of the common cold sometimes even by two to three days particularly in children. Chicken soup also helps reduce the duration of the cold. In addition, if you do have a cold and you don’t feel like eating anything, it’s not going to hurt you but you have to drink a lot and you can drink water or tea because doctors say the water cycle in your bodies helps to cure colds. That’s very important. Though there is more than one way to deal with colds, doctors say the best advice is to continue using whatever works best for you. 小题1:We know from the second paragraph that ______. A.the common cold is caused by only one virus B.there are people who never catch a cold C.colds can be caused by different viruses D.all people are easily attacked by colds 小题2: The underlined word “transmitted” in the fourth paragraph means “______”. A.passed B.changed C.cured D.caused 小题3:If you have a cold, you can do the following except ______. A.drinking a lot of water B.drinking chicken soups C.eating honey D.forcing yourself to eat 小题4: It can be inferred from the passage that ______. A.now scientists have found out practical treatment for colds B.different people may have different ways to fight against colds C.working in freezing weather is the main reason for colds D.colds can be passed from animals to human beings
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参考答案:
举一反三
【单选题】表示为回路编号为WL2,导线型号为铜芯塑料绝缘线,3根导线截面2.5mm2,穿钢管敷设,管为15mm,沿墙暗敷是下面的( )选项。
A.
WL2-BV(3×2.5)SC15.WC
B.
2WL-BV(3×2.5)SC15.WC
C.
WL2-BLV(3×2.5)SC15.WC
D.
WL2-    BLV(3×2.5)SC15.WC
【单选题】もう秋なのに、まだ夏の( )暑い。
A.
ような
B.
ようだ
C.
ように
D.
ようで
【单选题】急性心肌梗死后24小时内避免使用
A.
洋地黄
B.
罂粟碱
C.
速尿
D.
吗啡
E.
杜冷丁
【单选题】急性心肌梗死后24小时内避免使用
A.
洋地黄
B.
罂粟碱
C.
呋塞米
D.
吗啡
E.
哌替啶
【单选题】下列( )需要组织专家论证的专项方案。
A.
搭设高度为19.8 米的的悬挑扣件脚手架;
B.
施工高度45m的建筑幕墙;
C.
开挖深度为5m的基坑;
D.
搭设7.8m 高 的模板工程;
【单选题】下列各项专项施工方案中,需要组织专家论证的是()。
A.
剪力墙整体式大模板专项施工方案
B.
预应力楼盖张拉专项施工方案
C.
搭设高度7.5m的混凝土高支模架专项施工方案
D.
开挖深度18m的人工挖孔桩专项施工方案
【单选题】下列专项施工方案中,需要组织专家论证的是()。
A.
剪力墙整体式大模板专项施工方案
B.
预应力楼盖张拉专项施工方案
C.
搭设高度7.5m的混凝土高支模架专项施工方案
D.
开挖深度18m的人工挖孔桩专项施工方案
【多选题】伪分布式Hadoop的配置需要修改以下哪两个文件
A.
hadoop-env.sh
B.
core-site.xml
C.
hdfs-site.xml
D.
mapred-site.xml
【多选题】下列( )需要组织专家论证的专项方案。
A.
六层一挑的高层住宅楼悬挑式脚手架工程(住宅楼层高为3米);
B.
50m高度的建筑幕墙;
C.
深5m的基坑的土方开挖;
D.
住宅楼入口2层跳高大堂的模板工程(住宅楼层高为2.8米);
E.
高层核心筒滑模施工;
【简答题】请简述,Hadoop单机安装,伪分布式配置的大概过程。
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