Insect infestations in certain cotton-growing regions of the world have caused dramatic increases in the price of cotton on the world market. By contrast, the price of soybeans has long remained stable. Knowing that cotton plants mature quickly, many soybean growers in Ortovia plan to cease growing soybeans and begin raising cotton instead, thereby taking advantage of the high price of cotton to increase their income significantly, at least over the next several years.
Which of the following, if true, most seriously weakens the plan's chances for success?
5. For protection from the summer sun, the Mojave lived in open-sided, flat-topped dwellings known as shades, each a roof of poles and arrowweed supported by posts set in a rectangle. A. each a roof of poles and arrowweed B. each a roof of poles and arrowweed that are being C. with each being a roof of poles and arrowweed D. with roofs of poles and arrowweed to be E. with roofs of poles and arrowweed that are A
A 中arrowweed啥意思
6. The Quechuans believed that all things participated in both the material level and the mystical level of reality, and many individual Quechuans claimed to have contact with it directly with an ichana (dream) experience. A. contact with it directly with B. direct contact with it by way of C. contact with the latter directly through D. direct contact with the latter by means of E. contact directly with the mystical level due to D
D更改了文中directly的位置,怎么会对呢 我选C 10.Young female ballet dancers and gymnasts sometimes fail to maintain good eating habits caused by the desire to be as thin as possible. A. Young female ballet dancers and gymnasts sometimes fail to maintain good eating habits caused by the desire to be as thin as possible B. Good eating habits sometimes fail to be maintained by young female ballet dancers and gymnasts caused by desiring to be as thin as possible C. Because they desire to be as thin as possible, good eating habits are sometimes not maintained by young female ballet dancers and gymnasts D. Because they desire to be as thin as possible, young female ballet dancers and gymnasts sometimes fail to maintain good eating habits E. Young female dancers and gymnasts sometimes fail to maintain good eating habits because they desire to be as thin as possible B
感觉B明显不对 我选D
11.Since conscious patients often died of shock on the operating table, the invention of anesthesia was essential to the development of surgery as the invention of the propeller was to powered fight. A. the invention of anesthesia was essential to the development of surgery as the invention of the propeller was to powered fight B. inventing anesthesia was as essential for the development of surgery as the invention of the propeller was for powered fight C. the invention of anesthesia was as essential in the development of surgery much as the invention of the propeller had been for powered fight D. the invention of anesthesia was as essential to the development of surgery as the invention of the propeller was to powered fight E. the invention of anesthesia was essential to the development of surgery, so was the invention of the propeller essential to powered fight D
感觉D中对称形式错误 我选A
Critical Reasoning:
2. Insect infestations in certain cotton-growing regions of the world have caused dramatic increases in the price of cotton on the world market. By contrast, the price of soybeans has long remained stable. Knowing that cotton plants mature quickly, many soybean growers in Ortovia plan to cease growing soybeans and begin raising cotton instead, thereby taking advantage of the high price of cotton to increase their income significantly, at least over the next several years. Which of the following, if true, most seriously weakens the plan’s chances for success? A. The cost of raising soybeans has increased significantly over the past several years and is expected to continue to climb. B. Tests of a newly developed, inexpensive pesticide have shown it to be both environmentally safe and effective against the insects that have infested cotton crops. C. In the past several years, there has been no sharp increase in the demand for cotton and for goods made out of cotton. D. Few consumers would be willing to pay significantly higher prices for cotton goods than they are now paying. E. The species of insect that has infested cotton plants has never been known to attack soybean plants B