Why do you think people in some hot countries eat very spicy（辛辣的）food? Is it because the spices make the food taste better? Is it just because their parents and grandparents and great-grandparents liked hot food，or is there any connection(联系) between spices and healthy food?
Scientists think that it is because spice plants have some important chemicals（化学物质）．These chemicals can kill bacteria（细菌）.
“Most common spices can kill 75 to 100 percent of the bacteria in food，”explains one of the scientists．The bacteria grow more easily and spoil（使…变质） food more quickly at higher temperatures．For this reason，it is more difficult to keep food from spoiling in hot climates，
Do you like your food spicy? Your answer probably tells something about the country you are from．If you like spicy food，it is possible that hundreds of years ago，when there were no fridges，people in your country started using spices to keep the food from spoiling．The traditional spicy dishes helped those people to live longer，healthier lives．Today，in a time of fridges，the spices just make the food taste better．
1.The chemicals in spices keep food fresh by_________．
A. making food taste better
B. making food hotter
C. preventing bacteria getting into food
D. killing bacteria in food
2.Food goes bad more quickly in hot climates because_______．
A. cold temperature makes bacteria
B. bacteria get used to hot food
C. high temperature helps bacteria grow faster
D. bacteria spoil food only at high temperature
3.According to the passage，spices are useful in an the following things except_______．
A．helping you to live longer
B. helping to keep you healthier
C．making your food taste better
D. being used as fridges
完形填空 先通读下而的短文，掌握其大意，然后在每小题所给的四个选项中，选出可以填入空白处的最佳选项，并住答题卡上将该项涂黑。
What is your favourite colour? Do you like yellow, orange, or red? If you do, you must be an optimist (乐观者), a leader or an active person who enjoys life. Do you prefer grey and blue? Then you are probably quiet, shy and you often follow instead of . You seem to be a pessimist (悲观者).
Colours our moods, there is no doubt about it. A yellow room makes most people feel more and warmer than a dark green one. It seems that a red dress brings warmth and cheer to the sadness winter day. On the other hand, black represents stress. A black bridge the River Thames, near London, used to be the scene of more suicides (自杀) than bridge in the area until it green. The number of suicides fell at once, perhaps it will fall even more if the bridge is done pink or baby blue. Light and colours make people not only happier but . It is true that factory workers work better, harder, and have accidents when their machines are painted orange rather than or dark green.
1.A. returning B. coming C. leading D. thinking
2.A. cause B. influence C. effect D. create
3.A. cheerful B. unhappy C. nervous D. worried
4.A. on B. over C. across D. through
5.A. painted B. is painted C. paints D. was painted
6.A. with B. by C. in D. to
7.A. dark B. bright C. clear D. good
8.A. active B. much active C. more active D. actively
9.A. little B. less C. fewer D. more
10.A. white B. light C. pink D. black
– Pudong Airport, please. I have to be there by 3:00 pm.
--______________, but I'll do my best.
A. I can't promise anything B. Don’t worry
C. We still have enough time left D. Sorry, I can’t
What________ most is that Japan don’t want to say “sorry” to the Chinese people about the war.
A. proves B. faces C. matters D. admires
The teacher often requires us ________ make any noise in class.
A. to try not to B. not try to
C. not to try to D. try not to
––Excuse me, could you tell me _______? ––Yes. It’s about twenty minutes’ walk.
A. how long it takes to go to the park
B. how far it is from here to the park
C. how does it take to go to the park
D. how far is it from here to the park
