The picture .............. I bought was very valuable.A.whoB.whomC.whichD.whose
A.proudB.aroundC.townD.although
Sally's so attractive and lively that men are always falling......... her.A.withB.alongC.amongD.for
While the proctors were delivering the test paper, the ________ felt very nervous.A.applicantsB.testC.examinersD.interviewees
Choose the one word or phrase that best completes the sentence or substitutes for the underlined word or phrase.I'll give you a map.................A.in order for you find the way all right.B.so that you will find the way all right.C.in order that you can find the way all right.D.B and C are all correct.
Choose the one word or phrase that best completes the sentence or substitutes for the underlined word or phrase.My parents .............. tomorrow to stay with me for a few days.A.come B.will have come C.are coming D.came
Sam is very lazy. Whenever Sam’s mother asks him to clean his room up, he always says that he is too busy __________ it.A.withB.get C.to doD.doing
I could __________ at the airport tomorrow, if you like.A.a pick-upB.pick you C.pick up youD.pick you up
After you have finished the installation, you should restart the computer to get it _____ to the new program.A.acquaintedB.familiarC.similarD.interesting
Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer for each of the questionsHumans have struggled against weeds since the beginnings of agriculture. Marring our gardens is one of the milder effects of weeds – any plants that thrive where they are unwanted. They clog waterways, destroy wildlife habitats, and impede farming. Their spread eliminates grazing areas and accounts for one-third of all crop loss. They compete for sunlight, nutrients, and water with useful plants.The global need for weed control had been answered mainly by the chemical industry. Its herbicides are effective and sometimes necessary, but some pose serious problems, particularly if misused. Toxic compounds threaten animal and public health when they accumulate in food plants, groundwater, and drinking water. They also harm workers who apply them.In recent years, the chemical industry has introduced several herbicides that are more ecologically sound. Yet new chemicals alone cannot solve the world’s weed problems. Hence, scientists are exploring the innate weed-killing powers of living organisms, primarily insects and microorganisms.The biological agents now in use are environmentally benign and are harmless to humans. They can be chosen for their ability to attack selected targets and leave crops and other plants untouched. In contrast, some of the most effective chemicals kill virtually all the plants they come in contact with, sparing only those that are naturally resistant or have been genetically modified for resistance. Furthermore, a number of biological agents can be administered only once, after which no added applications are needed. Chemicals typically must be used several times per growing season.With what topic does this passage primarily deal?A.The dangers of toxic chemicals.B.A proposal to ban the use of all herbicides.C.The importance of the chemical industry.D.Advantages of biological agents over chemical ones.
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