单项选择题

特钢厂电炉车间在用天车进行加料作业时，需要取得特种设备作业人员证或特种作业操作证的人员包括( )。

A.班长
B.修包员
C.天车司机
D.装料辅助工

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听力原文：Political tourism first took off in the 1980s, when activists, angry at the United States for propping up Central American dictators, began flocking to countries like Nicaragua and Honduras to see the result themselves. Groups such as the London-based Nicaragua Solidarity Network were only too happy to accommodate them. After returning home, activist tourists tended to take like-minded compatriots back to the region to express solidarity with a movement, act as international observers or simply educate foreigners on the consequences of cold-war policies.Which of the following makes the most appropriate title for the passage?A.Cold-War Policies and the Tourism IndustryB.The Characteristics of Political TourismC.The Rise of Political TourismD.The Latest Developments of Political Tourism

A.Which
B.Cold-War
C.The
D.The
E.The

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听力原文：Human cloning involves creating an embryo out of a cell taken from a fully developed human being. 'Reproductive' cloning means growing an embryo into a second, genetically identical human being. 'Therapeutic' cloning, by contrast, means using an embryo as a source of stem cells for the person who supplied the originally cell. The theory is that stem cells with DNA identical to yours would be more likely to develop successfully into re placement parts for you. Brain cells for people with Parkinson's are the most promising example, but ultimately even severed limbs might grow back this way.Which of the following statement is NOT true of therapeutic cloning?A.Therapeutic cloning is used mainly for research purposes and therefore should be allowed to continuE.B.Therapeutic cloning is used for medical purposes and not for reproducing full human beings.C.Therapeutic cloning is used for replacing the diseased parts of human organs.D.Brain cell can be used in the future to cure the Parkinson's diseasE.

A.Which
B.Therapeutic
C.
B.Therapeutic
D.
C.Therapeutic
E.
D.Brain

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