A.lived out of | B.depended on |
C.had a shorter life than | D.lived longer than |
A.Germany. | B.Denmark. |
C.Australia. | D.Austria. |
A.Nutrition at all times of the year has improved since the beginning of the 20th century. |
B.In Austria, adults born in autumn (October—December) lived about seven months longer than those born in spring (April—June). |
C.People born in autumn live longer than those born in spring and are less likely to fall ill when they are older. |
D.Babies are prone to infections of the digestive system. |
A.Infections occurring at different times of the year influence the health of a new-born baby. |
B.The study focused on people born in the late 20th century. |
C.A mother giving birth in spring eats less vitamins during the last phase of her pregnancy in winter. |
D.What mothers ate during pregnancy could have an impact on the babies’ life expectancy in older age. |
A.The month of birth was not related to life expectancy over the age of 50. |
B.A mother giving birth in spring spends the last phase of her pregnancy in winter, eating more vitamins than in summer. |
C.Stopping breast-feeding and starting giving babies normal food must make babies prone to get infected with the digestive system in the hot weeks of summer. |
D.Adults born in the Australian autumn―the European spring―lived about four months longer than those born in the Australian spring. |
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A.is good for one's health |
B.is related to some illness |
C.has been investigated long since |
D.has no effect on the body |
A.keeps down blood pressure. |
B.has similar effects to physical exercise |
C.decreases the heart rate |
D.increases stress |
A.It reduces pain. |
B.It exercises the body. |
C.It improves the body's immune system. |
D.It can cure cancer. |
A.critical |
B.doubtful |
C.positive |
D.negative |
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A.of different age groups | B.with different habits? |
C.in different environments | D.from different areas? |
A.were more sensitive | B.were duller? |
C.grew up more slowly | D.gathered together more quickly |
A.delays brain development | B.stops baby growth |
C.a(chǎn)ffects speech and language | D.destroys brains? |
A.causes of noises | B.medical science? |
C.other living things | D.human babies?? |
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A.Causing cancer. | B.Having side effect. | C.Containing poison. | D.Poisonous. |
A.The dye is often produced in Sudan. |
B.The dye has something to do with the country named Sudan. |
C.Nobody is sure of the origin of the name. |
D.Many foods produced in Sudan contain the dye. |
A.the Sudan government is paying much attention to the food safety |
B.Sudan?1 is often used to be added to the food |
C.people didn’t realize the danger of Sudan?1 until 2003 |
D.many food shops will be closed down |
A.Keep away from Sudan?1 |
B.No Sudan?1 dye links to the country |
C.How Sudan?1 dye got its name? |
D.Pay attention to the food safety |
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A.tell us something about the keyboards. |
B.warn people to clean the keyboards often. |
C.tell us how to clean the keyboard |
D.tell us the germs on keyboards |
A.Think several times before eating beside your computer |
B.Don’t drop foods onto the computer keyboard. |
C.Don’t eat foods dropped onto the computer keyboard. |
D.Be careful when you are eating by the computer. |
A.Dropped crumbs and food encourages the growth of millions of bacteria. |
B.Poor personal hygiene |
C.Much dirt on the computer keyboard. |
D.Dropped crumbs and food and Poor personal hygiene |
A.An organization | B.a(chǎn) newspaper |
C.a(chǎn) report | D.a(chǎn) magazine |
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A.To attract tourists to Pacaya. | B.To describe the beauty of Pacaya. |
C.To introduce guided tours to Pacaya. | D.To explain the power of nature at Pacaya. |
A.where people can enjoy cultural festivals | B.where the daring Pacaya tour starts |
C.that gives a close-up view of Paraya | D.that is famous for its tour companies |
A.walk directly to the active summit | B.hear the continuous loud noise from above |
C.make greater efforts than to other summits | |
D.see a path lined with remains of earlier eruptions |
A.get down the mountain in time when night falls |
B.a(chǎn)void the smell from the upwind direction of the cone |
C.enjoy the fantastic eruption against the darkening sky |
D.a(chǎn)ppreciate the scenery of the 2560-metre-high mountain |
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