单选题We derive information mainly from the Internet.

单选题Chemical weapons are banned internationally.

单选题Current hiring policies in the United States seek to provide equal employment opportunities for women and minority groups.

单选题From the incident, they have learned that prompt decisions often lead to bigger regrets.A. urgentB. hastyC. immediateD. wise

单选题I'm glad I'm not {{U}}in his shoes{{/U}} with all those debts to pay off.

单选题I won"t tolerate that kind of behavior.

单选题The accident has not done any {{U}}permanent{{/U}} damage. A. temporary B. lasting C. mobile D. sticky

单选题And thecars are tested for defects before leaving thefactory.

单选题Swine Flu in New York The Centers for Disease Control and Prevention has confirmed cases of swine (51) in eight students at a New York preparatory (预科的) school, Mayor Michael Bloomberg said Sunday. The students have had only (52) symptoms and none have been hospitalized, he said. Some of the students have already recovered. More than 100 students were absent from (53) due to flu-like symptoms last week. New York health officials tested samples for eight students Saturday and determined the students were probably. (54) from swine flu, and the CDC confirmed the (55) on Sunday, Bloomberg said. The announcement brings the (56) of confirmed swine flu cases in the United States to 20. Bloomberg said there is no (57) of a citywide outbreak of the flu, and no sign of a potential outbreak of swine flu at (58) schools. Some students at the school (59) spring break in Mexico, Bloomberg said, but authorities have not determined (60) any of the students with a confirmed case of swine flu was in Mexico. Someone who traveled to Mexico may not have had any flu symptoms but (61) on the flu to someone else, he noted. Bloomberg called on students who are home sick to (62) home for 48 hours after their symptoms subside. If symptoms are normal for a regular kind of flu, there is (63) need to go to a hospital, said Bloomberg. If symptoms become severe, as (64) any illness, people should go to the hospital, he said. St. Francis, which has 2,700 students, announced it will remain closed for two days. (65) whether the students' illnesses have been minor because they're young and healthy or because it is a minor strain of the virus, Frieden responded, "We don't know. /

单选题Don't {{U}}injure{{/U}} yourself with that tool.

单选题These artists have given us special and priceless gifts to the cultural life in the United States.A. invaluableB. worthlessC. uselessD. profitless

单选题{{U}}Merge{{/U}} the following two short sentences into one new sentence.

单选题As an assistant in a shop, she tries to be Ucourteous/U at all times, even when she is very tired.

单选题He talks tough but has a tender heart.

单选题He confesses that he has done it.

单选题Many cities have restricted smoking in public places.

单选题The game requires us to find out two simple but effective ways to solve this problem.A. efficientB. cleverC. stupidD. easy

单选题Hundreds of years ago cloves were used to remedy headaches.

单选题The two banks have announced plans to merge next year. A. combine B. close C. break D. sell

单选题She {{U}}exhibited{{/U}} great powers of endurance during the climb.