MSG(monosodium glutamate) is a food additive(食品添加劑),which has been widely used by many food factories all over the world since it appeared first in Japan in 1909.
MSG is a substance that is added to some food to improve its original(原先的) taste and colour. It is used in foods around the world such as cakes, bread, frozen meats, fish and vegetables. In the beginning, people thought MSG was safe just like salt and sugar. However, in 1968 some people reported they seemed to have bad reactions(反應(yīng)) to MSG after having had a meal at a restaurant. They included headaches and quick heartbeat(心跳).It was also reported that MSG excited a person’s brain and caused his death in Japan. Scientists think that MSG may lead to many neurological disorders(神經(jīng)紊亂).In mice studies done by a university, the evidence showed the mice didn’t want to eat the food including MSG.
Today many food companies “hide” MSG on food labels(標(biāo)簽) by using different names. If you see “natural flavorings”,“hydrolyzed protein”and “spices” in a food label, you are probably seeing a hidden way to “report” MSG in a food label. Every time we have a meal in a restaurant, we always feel the food very delicious to taste, but sometimes it is dangerous for our health because some poisonous food additives have been added to the food.
To protect people’s health, our governments, from central to local, are taking actions to stop factories producing poisonous food additives.
【小題1】 Monosodium Glutamate is _______

A．a(chǎn) foodB．a(chǎn)n additiveC．a(chǎn) factoryD．a(chǎn) country
【小題2】MSG is often used in ______.
A．frozen meatsB．cupsC．clothesD．book covers
【小題3】The examples in the second paragraph tell us ________.
A．the food including MSG is deliciousB．people like to eat in a restaurant
C．mice like eating the food including MSGD．MSG is not safe sometimes
【小題4】If you see “natural flavorings”,“hydrolyzed protein” and “spices” in a food label, you will know ­­­­­­­_____________.
A．you must eat the food in a hidden way
B．the food label must be hidden
C．MSG is probably added to the food
D．you must report the food to your parents
【小題5】The underlined word “substance” in the article means __________.
A．colourB．materialC．tasteD．food


【小題1】B
【小題1】A
【小題1】D
【小題1】C
【小題1】B

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Are you carrying too much on your back at school? You’re not alone. Back experts in the United States are worried that young students are having back and neck problems as a result of carrying too much in their backpacks (schoolbags)
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P.S.( 附)Doctor’s suggestion:
1 Lighten the load. Clean out binders(活頁(yè)材料)and take home only the books you need that night.
2 Wide straps are better. They send out the weight over your shoulders more evenly(均勻)。 And be sure to wear both straps rather than hanging the pack over one shoulder.
3. Pack smart. The heavier things should be packed closed to the back.
4.Bend both knees when you pich up the pack ,and don’t just bend over  at the waist.(腰)
【小題1】“_________”is the main idea of the text.
A The problem of backpacks is worth studying.
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A 10kg    B 8kg  C 6kg    D 7kg
【小題5】 If students follow the doctor’s suggestions they ________.
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D will know how to wear backpacks

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