问题
多项选择题
胆石利通片对哪些结石有效（）
A.胆囊结石
B.肾结石
C.胆总管结石
D.肝内结石
答案
参考答案：A, C, D
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胆石利通片对哪些结石有效（）
A.胆囊结石
B.肾结石
C.胆总管结石
D.肝内结石
参考答案：A, C, D
Born in America, I spoke English, not Chinese, the language of my ancestors. When I was three, my parents flashed cards with Chinese 21 at my face, but I pushed them 22 . My mom believed I would learn 23 I was ready. But the 24 never came. On a Chinese New Year’s Eve, my uncle spoke to me in Chinese, but all I could do was 25 at him, confused, scratching my head. “Still can’t speak Chinese?” He 26 me , “You can’t even buy a fish in Chinatown .” “Hey, this is America, not China. I’ll get some 27 with or without Chinese.” I replied and turned to my mom for 28 . “Remember to ask for fresh fish, Xin Xian Yu,” she said, handing over a $20 bill. I 29 the words, running downstairs into the streets of Chinatown. I found the fish 30 surrounded in a sea of customers. “I’d like to buy some fresh fish,” I shouted to the fisherman. But he 31 my English words and turned to serve the next customer. The laugh of the people behind increased 32 their impatience. With every 33 ,the breath of the dragons on my back grew stronger—my blood boiling— 34 me to cry out. “ Xian Sheng Yu, please.” “Very Xian Shen ,” I repeated. The crowd erupted into laughter. My face turned 35 and I ran back home 36 , except for the $20 bill I held tightly in my pocket. Should I laugh or cry? They’re Chinese. I should feel right at 37 . Instead, I was the joke , a disgrace (丢脸)to the language. Sometimes, I laugh at my fish 38 , but, in the end, the joke is on 39 . Every laugh is a culture 40 ; every laugh is my heritage (传统) fading away.
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| The first 50 years of the next millennium will be critical for the world’s population. By 2050 population growth should have leveled off, but by then we’ll have 10 billion people -- two-thirds as many again as we have today. The rate of population growth is something we can choose right now, though it’s not something that just happens, but a matter of human choice. The choice is a complicated one, with many variables, but it remains a choice. If we want to prevent a population explosion, we should take action now -- or assist the poorer countries to do so. They need better government, better institutions, better labor and capital markets, better schools. Anything that increases the value of women’s time and adds to the cost of caring for a child makes a woman less likely to have that child. Since big families are often seen as safety nets for illness and old age, improving poor people’s access to insurance, pensions and welfare institutions also has a major impact. This can be as simple as rural credit, providing a means of saving. Finally, there is education -- both for women and, perhaps even more important, for the next generation of children. These steps are there to be taken, but there appear to be some countries that are not seriously trying at the moment. If we cannot achieve that we will certainly not control population. That said, I don’t feel pessimistic that we are going to run out of resources: we are becoming more efficient at producing food faster than the rate at which population is increasing. There is, however, a risk that we will wreck the environment so effectively that the world will no longer be an attractive place to live. That really would be a dismal outcome, to reach world population equilibrium only to find we’d destroyed the natural environment in the process. |
By the time this article was written, the population of the world was approximately ______.
A．300 million
B．600 million
C．6 billion
D．10 billion