单选题John was the first person I saw______hospital.

单选题—Why didnt you come to join her party? —Sorry, I ______, but I had an unexpected visitor. A) would do B) should C) would have D) was going to have

单选题Nearly all trees have seeds that fall to the earth, take root, and eventually __________.

单选题The first few months of the year I had dreaded the ringing of the telephone, because I knew it meant another critical decision to be made.

单选题According to the author, NPR's opposition to low power radio is surprising because NPR______.

单选题Many of novelist Carson McCullers' characters are isolated , disappointed people.

单选题Remember to ask for a______ of quality for the consumer goods; otherwise they will not of- fer any maintenance. A. certificate B. mark C. warranty D. receipt

单选题Sea levels are ______ to rise between 7 and 23 inches by the end of 21st century. A. expected B. inspected C. detected D. suspected

单选题William Dean Howells explores the life of______Americans.

单选题The ultimate aim of this art school is to fully bring out the artistic______in the children.

单选题I don't understand what you're getting so______. about. It's really not a problem. A. worked out B. worked up C. worked over D. worked against

单选题The main difference between a nurse-manager and a head nurse is that the former ______. A. is a member of the Medical Executive Committee of the hospital B. has to arrange the work shifts of the unit's nurses C. can make decisions concerning the medical treatment of a patient D. has full responsibility in the administration of the unit's nurses

单选题Scientists used to explore【31】the surface of the ocean. Now they【32】below the surface, too. They want to know about the ocean water and the【33】and animal life【34】in the ocean. In 1934 the scientist William Beebe dived 3 , 000 feet below the surface in a hollow steel ball. In 1935 Auguste Piccard dived 10, 330 feet. In 1960 his son Jean dived to a【35】of 35, 800 feet. All these early dives were deep. But the divers could not stay down for very long. They had to【36】the surface after a few seconds. Scientists needed to stay down longer to study life below the surface.【37】, they succeeded. Cousteau, a Frenchman, was able to【38】down to a depth of【36】feet for one month and to a depth of 90 feet for a week. Now scientists are developing even【39】equipment. With this new equipment, men can stay【40】the surface for days or【41】weeks. In 1962 Consteau【42】a research station 35 feet below the surface. Then in 1964 he set up another station on the ocean floor of the Red Sea. This was the first undersea station to operate【43】help from the surface. Many countries are now studying undersea【44】. The Soviet Union has an undersea laboratory in the Crimean Sea. The United States has a laboratory 50 feet【45】on the ocean floor【46】the Virgin Islands. In 1970 five men lived there for two weeks. Then a【47】of five women scientists stayed in the laboratory.【48】came other teams of men. All were there to explore the ocean depths and【49】plans for the use of its resources. Scientists hope to find enough【50】, vegetable, and animal wealth there to provide food for the whole world.

单选题This book will show the readers ______ can be used in other contexts. A. how that they have observed B. how what they have observed C. that how they have observed D. that they have observed

单选题______ it is to listen to music!