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【简答题】
任务型阅读。 Henry was from the USA and he came to London for a holiday. One day he was not feeling well, so he went to the clerk(职员) at the desk of his hotel and said,' I want to see a doctor. Can you give me the name of a good one?' The clerk looked up in a book and then said, 'Dr Kenneth Grey. ' Henry said, 'Thank you very much. Is he expensive?' 'Well,' the clerk answered,' You have to pay him two pounds for your first visit to him and 1. 50 pounds for later visits. ' Henry decided to save(节省)0. 5 pound. So when he went to see the doctor, he said,' I have come again, Doctor. ' For a few seconds(秒) the doctor looked at his face carefully without saying anything. Then he said, 'Oh, yes. ' He looked him over and then said, 'Everything goes as it should do. Just continue with the medicine I gave you last time. ' 根据短文内容回答问题,每空一词。 1. Where did Henry come from? He ___________ from ___________. 2. What did Henry want to do when he didn't feel well? He wanted to ___________ a ___________. 3. How much did Henry have to pay the doctor for the first visit? He had to pay ___________ ___________. 4. Why did Henry say' I have come again'? Because he wanted to ___________ ___________. 5. Did Henry get any advice from the doctor? __________ , he___________.
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举一反三
【判断题】由于合金的液态收缩和凝固收缩,在铸件凝固结束后常常在某些部位出现孔洞,大而集中的孔洞称为缩松。
A.
正确
B.
错误
【多选题】薄荷油所含的成分有
A.
薄荷醇
B.
醋酸薄荷酯
C.
薄荷酮
D.
槲皮素
【多选题】《论十大关系》的报告前五条主要讨论经济问题,着眼于从经济工作的各个方面调动各种积极因素,后五条是属于政治生活和思想文化生活调动各种积极因素的问题。后五条的主要内容是( )。
A.
汉族与少数民族的关系、党与非党的关系、革命与的关系
B.
经济建设和国防建设的关系
C.
是非关系、中国和外国的关系
D.
国家、生产单位和生产者个人的关系
【单选题】逻辑电路中,低电平应
A.
高于
B.
低于
C.
高于Vsl
D.
低于Vsl
【判断题】铸型内的熔融合金在凝固过程中,由于液态收缩和凝固收缩所缩减的体积得不到补充,在铸件最后凝固部位形成孔洞,大而集中的孔洞称为缩孔,小而分散的孔洞称为缩松。
A.
正确
B.
错误
【判断题】铸件在凝固过程中,由于合金的液态收缩和凝固收缩所造成的体积缩减,如果未能获得补充,则会在铸件最后凝固部位形成孔洞。大而集中的成为缩松,细小而分散的成为缩孔。
A.
正确
B.
错误
【多选题】薄荷油所含的成分有()
A.
薄荷醇
B.
藁本内酯
C.
醋酸薄荷酯
D.
薄荷酮
E.
槲皮素
【简答题】在水溶液及土壤环境中,有机物的降解机理主要是(),这也是现代污水处理厂水处理的理论基础。因此,通过分子设计不仅可增大化学品的安全性,同时也可()。
【多选题】薄荷油中含有下列哪些化学成分
A.
樟脑
B.
乙酸薄荷酯
C.
薄荷酮
D.
植物醇
E.
薄荷醇
F.
薄荷油含有的成分是
G.
樟脑
H.
乙酸薄荷酯
I.
薄荷酮
J.
植物醇
【多选题】薄荷油含有的成分是
A.
樟脑
B.
乙酸薄荷酯
C.
薄荷酮
D.
植物醇
E.
薄荷醇
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