【单选题】Nowadays, photography has become a troubling issue. Citizens of rich countries have got used to being watched by closed-circuit cameras that【C1】______roads and cities. But as cameras【C2】______...
【简答题】Have you ever seen snow? Many people in the world have not. Some countries never have snow; some have only a little on the tops of very high mountains. In the north of England, there is quite a lot of...
【单选题】Which of the following is false according to the passage?
A.
The world biggest countries have not ratified this treaty.
B.
WHO officials file a lawsuit against the leading tobacco companies.
C.
China has not ratified the treaty yet.
D.
Few countries can be devoid of smuggled cigarettes.
【单选题】下列关于甲状腺功能亢进症的说法中不正确的是
B.
甲亢分为原发性和继发性甲亢,其中继发性甲亢最常见
C.
甲亢在女性、有家族史、有精神创伤和感染者中发病率较高
E.
毒性弥漫性甲状腺肿,又称为弥漫性甲状腺肿伴甲亢
【简答题】The Middle East countries and other world powers have been facing major political tensions which have made the stability of the crude oil prices very unpredictable. Each day the prospect(前景)of oil pri...
【单选题】everal countries have already passed laws banning disciplinary action that inflicts mental suffering on a child, and Straus views them as models to .
【单选题】关于弥漫性非毒性甲状腺肿的论述 , 正确的是
【单选题】Sub-Saharan African countries ______.
A.
will have the largest world population by 2020
B.
have the highest reproductive rate in the world
C.
are only modestly affected by
D.
will have increasingly long life spans