阅读下面短文,从短文后所给各题的四个选项(A、B、C、D)中选出能填入相应空白处的最佳选项。 Martin Luther King Jr. was born in Georgia in 1929. When was (36) a boy Martin learned that his (37) , the black Americans, were (38) treated differently from most of (39) fellow Americans. Many could not attend good schools, (40) good jobs, or live in nice houses because of the color of their (41) . Martin knew that in a free country this was (42) . He wanted to help his black brothers, (43) he decided to go to school and 44 a minister. He became a pastor (牧师) in Montgomery, Alabama. This is (45) Martin Luther King’s "peaceful fight" first began. Dr. King worked (46) equality in other cities. He knew that the (47) way people could win their rights was to remain peaceful, (48) in face of danger. Dr. King won the Nobel Peace Prize in 1964 for his achievements and (49) . The whole nation (50) the terrible event that (51) on April 4, 1968, in Memphis, Tennessee. Martin Luther King Jr. was (52) . The man who had preached (倡导) nonviolence (非力) died (53) . But Dr. King’s dream can never (54) . Many Americans are still (55) to make that dream come true.
A. his
B. those
C. most
D. their
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正常情况下,哪种凝血因子在妊娠期间不增加
A. 凝血因子Ⅶ
B. 凝血因子Ⅷ
C. 凝血因子Ⅸ
D. 凝血因子Ⅹ
E. 凝血因子Ⅺ
阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项。A In ancient (古代) time the most important examinations were spoken, not written. In the schools of ancient Greece and Rome, testing usually consisted of saying poetry aloud or giving speeches. In the European universities of the Middle Ages, students who were working for advanced degrees had to discuss questions in their field of study of the subject. This custom exists today as part of the work of testing candidates (候选人) for a master’s or doctor’s degree. Generally, however, modern examinations are written. Two types of tests are commonly used in modern schools. The first type is sometimes called an objective (客观性) test, it is intended to deal with facts, not personal opinions. To make up an objective test, the teacher writes a series of questions, each of which has only one correct answer. Along with each question the teacher writes the correct answer and also three statements that look like answers to students who have not learned the material properly. The student has just one task: he must recognize the correct answer and copy its letter or number on his examination paper. For testing a student’s memory of facts and details, the objective test has advantages. It can find out a great deal about the student’s range of knowledge. For testing some kinds of learning, however, such a test is not very satisfactory. A lucky student may guess the correct answer without really knowing the material. Which of the following statements about the objective test is TRUE
A. Examinations in modern times are written, while in ancient times they are spoken.
B. The objective test has advantages for testing a student’s memory of facts and details.
C. The objective test is the only way to test a student’s memory of facts and details.
D. Each objective question has more than one correct answer.
E More than 6000 children were expelled (开除) from US schools last year for bringing guns and bombs to school, the US Department of Education said on May 8. The department gave a report to the expulsions (开除) as saying handguns accounted for 58 percent of the 6093 expulsions in 1996—1997, against 7 percent for rifles (步枪) or shotguns and 35 percent for other types of firearms. "The report is a clear sign that our nation’s public schools are cracking down (严惩) on students who bring guns to school," Education Secretary Richard Riley said in a statement. "We need to be tough-minded about keeping guns out of our schools and do everything to keep our children safe." In March 1997, an 11 years old boy and 13 years old boy using handguns and rifles shot dead four children and a teacher at a school in Jonesboro, Arkansas. In October, two were killed and seven wounded in a shooting at a Mississippi school. Two months later, a 14 years old boy killed three high school students and wounded five in Dasucah, Kentucky. Most of the expulsions, 56 percent, were from high school, which have students from about age 13. Thirty-four percent were from junior high school and 9 percent were from elementary schools, the report said. The main idea of paragraph four shows us ______.
A. some examples of shoot in US schools
B. the American’s feeling
C. some famous schools
D. that some teachers were killed by students
下列说法中,不正确的是( )。
A. 待执行合同变成亏损合同时,有合同标的资产的,应当先对标的资产进行减值测试并按规定确认减值损失,如预计亏损超过该减值损失,应将超过部分确认为预计负债
B. 待执行合同变成亏损合同时,无合同标的资产的,亏损合同相关义务满足预计负债确认条件时,应当确认为预计负债
C. 亏损合同是指履行合同义务不可避免发生的成本超过预期经济利益的合同
D. 待执行合同均属于或有事项准则规范的内容