A.follow airplanes south every year
B.live in Canada all year round
C.learn to migrate on their own
D.be unable to fly back
A.120 miles
B.1,200 miles
C.1,931 miles
D.2, 000 miles
开始考试点击查看答案A.teach adult cranes how to fly
B.lead young cranes on their first trip south
C.breed cranes in special parks
D.transport cranes to the North
开始考试点击查看答案A.Mexico
B.South America
C.North America
D.the Persian Gulf
开始考试点击查看答案A.find warmth and food
B.raise baby whooping cranes
C.get human help
D.lay eggs
开始考试点击查看答案A.They didn't know the English system.
B.They were sure of the success of the trip.
C.They didn't get enough research funding.
D.They were tired from working long hours.
开始考试点击查看答案A.The device could be used to take a picture of your body each week, then compare it with previous images.
B.That is going to be the difficult part.
C.The cut could then be treated instantly so avoiding possible complications.
D.Experts are also working on a "digital doctor", completing it with a comforting bedside manner.
E.Instead of relying on hi-tech hospitals, the emphasis is shifted to the home and easy-to-use gadgets.
F.A toothbrush that checks blood sugar and bacteria while you brush is currently in development in USA .
开始考试点击查看答案A.The device could be used to take a picture of your body each week, then compare it with previous images.
B.That is going to be the difficult part.
C.The cut could then be treated instantly so avoiding possible complications.
D.Experts are also working on a "digital doctor", completing it with a comforting bedside manner.
E.Instead of relying on hi-tech hospitals, the emphasis is shifted to the home and easy-to-use gadgets.
F.A toothbrush that checks blood sugar and bacteria while you brush is currently in development in USA .
开始考试点击查看答案A.The device could be used to take a picture of your body each week, then compare it with previous images.
B.That is going to be the difficult part.
C.The cut could then be treated instantly so avoiding possible complications.
D.Experts are also working on a "digital doctor", completing it with a comforting bedside manner.
E.Instead of relying on hi-tech hospitals, the emphasis is shifted to the home and easy-to-use gadgets.
F.A toothbrush that checks blood sugar and bacteria while you brush is currently in development in USA .
开始考试点击查看答案A.The device could be used to take a picture of your body each week, then compare it with previous images.
B.That is going to be the difficult part.
C.The cut could then be treated instantly so avoiding possible complications.
D.Experts are also working on a "digital doctor", completing it with a comforting bedside manner.
E.Instead of relying on hi-tech hospitals, the emphasis is shifted to the home and easy-to-use gadgets.
F.A toothbrush that checks blood sugar and bacteria while you brush is currently in development in USA .
开始考试点击查看答案A.The device could be used to take a picture of your body each week, then compare it with previous images.
B.That is going to be the difficult part.
C.The cut could then be treated instantly so avoiding possible complications.
D.Experts are also working on a "digital doctor", completing it with a comforting bedside manner.
E.Instead of relying on hi-tech hospitals, the emphasis is shifted to the home and easy-to-use gadgets.
F.A toothbrush that checks blood sugar and bacteria while you brush is currently in development in USA .
开始考试点击查看答案注册安全工程师注册安全工程师安全生产技术2013年注册安全工
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2013年注册安全工
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2013年注册安全工
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2013年安全工程师
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2013年安全工程师
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2013年安全工程师
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2013年安全工程师
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2013年安全工程师
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2013年安全工程师
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2013年安全工程师
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