题干

某些制糖厂用淀粉做原料进行工业制糖。其技术基本要求是:调节温度来影响淀粉酶的活性。下图甲表示温度对淀粉酶活性的影响,图乙表示一定量的淀粉酶在催化足够量的淀粉水解时温度对麦芽糖产量的影响,图中的麦芽糖积累量表示在一段时间内生成麦芽糖的总量。下面关于图中X、Y、Z三点温度值的判断正确的是(   )

A:X点代表Ta、Y点代表Tb

B:X点代表Ta、Z点代表Tc

C:Y点代表Tb、Z点代表Tc

D:X点代表Tb、Y点代表Tc

上一题 下一题 0.0难度 选择题 更新时间:2017-09-22 11:15:24

答案(点此获取答案解析)

D

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根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

Things to Keep in Mind before Moving to New York City

    ____ So, reading up on New York's history, facts, statistics, facilities, etc, is always a good idea. Learn about the culture, how to deal with people, taxi drivers, manners, or lack of manners that is exhibited there, and so on. It is always best to know what exactly you are getting into rather than landing there and getting a complete shock.

    Before you buy your clothes or shoes, you always try them out first, right? In the same way, before you move to New York, you need to visit it for a couple of days, just do that you can see what the city is like. ____

    The best and worst thing about New York is that this city is controlled by money. ____ Then, you need to set aside (留出) an amount for emergencies only. If you are moving to New York with a job, or are planning to get a job once you are in the city, then you need to make sure that your salary covers up all your expenses and the amount that you would set aside for emergencies.

    Finding a neighbourhood in New York is the key to actually enjoying your stay there. If you are moving to the city due to work, then look for living accommodations close to your workplace.____Do you see yourself living in a place that is quiet, like the Upper West Side or East Side, or do you want noisy setups, like the East Village, Lower East Side, or West Village?

    Give the city a chance, make some good memories, and enjoy your stay there. Be safe wherever you go, and don't worry too much. ____

A. The easiest way to survive in New York is to have a friend who knows this city really well.

B. Once you are in New York, you would never want to leave it.

C. Before you move to any city, it is always best to know a little about the city.

D. To start with, you will need to make a budget.

E. You need to decide what kind of neighborhood you want.

F. Take a tour of the city and try to imagine yourself living there.

G. The experience of moving to New York depends on how the city treats you and what you make of the city.