Ⅱ. Grammar and Vocabulary
Section A
Directions:After reading the passage below, fill in the blanks to make the passage coherent and grammatically correct. For the blanks with a given word, fill in each blank with the proper form of the given word; for the other blanks, u one word that best fits each blank.什么饮料最好喝>拍一拍设置
(A)
After Earth was formed, millions of years pasd until the first living organisms appeared. One-celled organisms ___21___ bacteria were the first life forms that appeared in the water, then gradually, ___22___(complex)organisms—plants and animals—appeared. Fossils from the different geological eras prove ___23___ before the existence of human beings, other living organisms existed on Earth.
In the nineteenth century, the idea became ___24___(accept)that species changed, ofte
n through many generations, in a slow, continuous process, and that past species were the ancestors of modern species. This process of change in living organisms though millions of years is known as biological evolution.
Each species is formed by similar individuals that ___25___ reproduce among themlves and produce descendants. However, ___26___ they are of the same species, individuals are not exactly the same. The variability in the species helps explain ___27___ individuals in species, such as dogs, are different.
Although it cannot always be obrved, in nature, individual of the same species have certain differences ___28___ make them unique. As a result of this variability, certain living organisms developed special characteristics. ___29___(permit)them to survive when drastic changes in the environment ___30___(occur). It is important to remember that the environment includes climate, humidity, light, and other living organisms, and the relationship among them.
(B)
垃圾清运合同Many kinds of music can stir the imagination and produce strong feelings. Some believe romantic compors such as Chopin and Tchaikovsky enhance feelings of love and sympathy while ___31___ assume religious and spiritual music may help some people feel peace or lesn their pain. But one musician ___32___ works, according to some scientists, em to have a unique ability to calm its listeners, increa their perception and help them express themlves more clearly, is considered to be quite different. The ingenious man is Wolfgang Amadeus Mozart.
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Many amazing cas have been documented using his pieces ___33___ a healing aid. For example, a tiny premature baby named Krissy ___34___(weigh)just 1.5 pounds at birth was on total life support. Doctors though she had little chance of survival. Her mother insisted on playing Mozart for Krissy and thought it would save her daughter’s life. Krissy lived although she was very small ___35___ her age and slower than the average child. At the age of four, she showed an interest in music and her parents gave her violin lessons. Her parents were quite astonished at the extent ___36___ ______ sooner Krissy was able to play musical pieces from memory that were far beyond the ability of an 关于昆虫的成语
average four-year-old. Playing music helped her improve in all areas of her life.六个月婴儿辅食
Section B
Directions:Complete the following passage by using the words in the box. Each word can only be ud once. Note that there is one word more than you need.
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A. harvest B. manage C. stable D. process E. efficient 登录密码F. reach G. dissolve H. include I. digests J. run |
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Picture the scene: the battery on your mobile phone has run out. You can’t make any calls for help and no one can contact you. You are all alone—well, not quite. Just ___37___ into your pocket and take out a piece of sugar. Put it into the battery, wait a minute and you’re back on the phone.
Thanks to a couple of American scientists, this situation could become real. Swadesh Chaudhuri and Derek Lovely have invented the “bacteria battery”---powered by bacteria that ___38___ sugar and turn it into electricity.
“This is a special organism,” Lovely said. “You can ___39___ enough electricity to power a cell phone battery for about four days from a spoonful of sugar.”
In the past, bacteria batteries have been expensive and not long-lasting. But this battery us more ___40___ bacteria that can turn 80 percent of sugar into electricity energy. This is 30 percent more than similar batteries can ___41___.
The bacteria battery could become as small as a houhold battery. It’s also cheap and ___42___, as sugar can be taken from waste and crops.
But the sugar to electricity ___43___ is slow: it could take weeks for the bacteria to digest a cup of sugar. And it produces “greenhou” gas which pollute the environment.
Scientists believes the battery could be ud in scientific equipment at the bottom of the ocean. Other ideas ___44___ using sugar in the blood to ___45___ medical devices in the human body, and taking sugar from animal waste to provide energy to power homes in rural areas.