问题
单项选择题 A型题
禽肉的营养价值与畜肉相似,但禽肉中营养素的含量相对较少的是()
A.脂肪
B.蛋白质
C.碳水化合物
D.矿物质
E.维生素
答案
参考答案:A
解析:禽肉中脂肪含量较少,并且熔点较低。
禽肉的营养价值与畜肉相似,但禽肉中营养素的含量相对较少的是()
A.脂肪
B.蛋白质
C.碳水化合物
D.矿物质
E.维生素
参考答案:A
解析:禽肉中脂肪含量较少,并且熔点较低。
完形填空。 | ||||
In our discussion with people on how education can help them succeed in life, a woman remembered the first meeting of an introductory 1 course about 20 years ago. The professor 2 the lecture hall, placed upon his desk a large jar filled with dried beans (豆), and invited the students to 3 how many beans the jar contained. After 4 shouts of wildly wrong guesses the professor smiled a thin, dry smile, announced the 5 answer, and went on saying, "You have just 6 an important lesson about science. That is: Never 7 your own senses." Twenty years later, the 8 could guess what the professor had in mind. He 9 himself, perhaps, as inviting his students to start an exciting 10 into an un- known world invisible (无形的) to the 11 , which can be discovered only through scientific 12 . But the seventeen-year-old girl could not accept or even 13 the invitation She was just 14 to understand the world. And she 15 that her firsthand experience could be the 16 . The professor, however, said that it was 17 . He was taking away her only 18 for knowing and was providing her with no substitute (替代) "I remember feeling small and 19 ." the woman says, "and I did the only thing I could do. I 20 the course that afternoon, and I haven't gone near science since." | ||||
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