A.continentalB.conservationC.revolutionD.particular
Enrich/ English vocabulary/ read stories.A.Enrich your English vocabulary in order that to read these stories.B.Enrich your English vocabulary and then reading these stories.C.You can enrich your English vocabulary by reading these stories.D.Unless you enrich your English vocabulary, you can read these stories.
We had to put off our wedding until September.A.It was not until September that our wedding had to be put off.B.Not until September did we have to put off our wedding.C.Our wedding until September had to be postponed.D.Our wedding had to be postponed until September.
Read the following passage and mark A, B, C or D on your answer sheet to indicate the correct answer for each of the questions Coincident with concerns about the accelerating loss of species and habitats has been a growing appreciation of the importance of biological diversity, the number of species in a particular ecosystem, to the health of the Earth and human well-being. Much has been written about the diversity of terrestrial organisms, particularly the exceptionally rich life associated tropical rain-forest habitats. Relatively little has been said, however, about diversity of life in the sea even though coral reef systems are comparable to rain forests in terms of richness of life. An alien exploring Earth would probably give priority to the planet's dominants - most distinctive feature - the ocean. Humans have a bias toward land that sometimes get in the way of truly examining global issues. Seen from far away, it is easy to realize landmasses occupy only one-third of the Earth’s surface. Given that two thirds of the Earth's surface is water and that marine life lives at all levels of the ocean, the total three-dimensional living space of the ocean is perhaps 100 times greater than that of land and contains more than 90 percent of all life on Earth even though the ocean has fewer distinct species. The fact that half of the known species are thought to inhabit the world's rain forests doesn't seem surprising, considering the huge numbers of insects that comprise the bulk of the species. One scientist found many different species of ants in just one tree from a rain forest. While every species is different from every other species, their genetic makeup constrains them to be insects and to share similar characteristics with 750,000 species of insects. If basic, broad categories such as phyla and classes are given more emphasis than differentiating between species, then the greatest diversity of life is unquestionably by sea. Nearly every major type of plant and animal has some presentation there. To appreciate fully the diversity and abundance of life in the sea, it helps to think small. Every spoonful of ocean water life, on the order of 100 to 100,000 bacteria cells plus assorted microscopic plants and animals, including larvae of organisms ranging from sponges and corals to starfish and clams and much more.What is the main point of the passage?A.The sea is even richer in life than the rain forestB.Humans are destroying thousands of species.C.Coral reefs are similar to rain forests.D.There are thousands of insect species.
Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions They advised locking the doors carefully at nightA.They advised that the doors should be locked carefully at night.B.The doors were advised to be locked carefully at night.C.They advised the doors being locked carefully at night.D.They advised to lock the doors carefully at night.
I think Bob has forgotten the whole event.A.The whole event is no longer mentioned.B.Bob appears to have forgotten the whole event.C.Bob must forget the whole event.D.Nothing about the event is worth remembering.
Mark the letter A, B, C, or D on your answer sheet to intricate the correct answer to each of the following questions By half past ten tomorrow morning I _______ along the motorway.A.will be driving B.will drive C.am driving D.drive
Mark the letter A, B, C, or D on your answer sheet to intricate the correct answer to each of the following questions The pair of jeans I bought for my son didn't fit him, so I went to the store and asked for ______.A.the other ones B.others ones C.another pair D.another jeans
Read the following passage and mark A, B, C, or D to indicate the correct answer to each of the blanks.University researchers have taken samples from a preserved dodo specimen in an (31) _____ to uncover the extinct bird’s family tree. They worked with the British Natural History Museum to collect and study genetic material from large number of specimens: a preserved dodo, the extinct solitaire bird, and 35 kind of living pigeons and doves. Their analysis (32) _____ the doo and the solitaire to be close relatives with the Nicobar pigeon, their nearest living relative. The dodo lived on Mauritius in the Indian Ocean. It was a flightless bird, bigger than a turkey. By 1681, all dodos had been (33) _____ by hungry sailors. The solitaire, which looked a bit like a dodo, had gone the same way by 1800. By extracting short pieces of the dodo’s DNA and (34) _____ these with the DNA of living birds, the scientists were able to deduce when the dodo evolved away from its relatives into a separate entity. The scientists can now (35) _____ assume that the dodo developed its distinctive appearance and features as a result of its geographical isolation. They are now convinced that it separated from the solitaire about 25 million years ago, long before Mauritius became an island.(32)A.advises B.involves C.shows D.recommends
By the end of this week, my illness______ me $100.cA.costsB.has costC.will have costD.will cost
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