焦油加工的主要任务是获得酚、萘、蒽等纯产品和（）等粗产品。 发布时间：2020-02-20 06:37 │ 来源：www.tikuol.com 题型：填空题 问题： 焦油加工的主要任务是获得酚、萘、蒽等纯产品和（）等粗产品。
题型：填空题 阅读理解。 Ronald Reagan was the only actor to become president of the United States, but other movie stars have also been successful in public office. One of them was Shirley Temple, who is remembered throughout theworld as a little girl. She danced and sang in many movies. Shirley began to make movies at the age of five, and she was only nine years old when she played the role of Heidi. In almost every part of the world where movies are seen on television, children and their parents still enjoy Heidi and the other movies of Shirley Temple. Although she has not appeared in a film forover thirty years, her name is still familiar to old and young alike. When Shirley Temple was twenty-one years old, she was already retired from her career as an actress. Twenty years later, many people still thought her as a little girl that Americans had always loved in the movies, but others knew her as an intelligent woman with knowledge of world problems. One of the peoplewho recognized these important abilities was President Richard M. Nixon. In 1969, he appointed (委派) her as a representative (代表) to the United Nations, and this marked the beginning of a new career for the former child star of the movies. One of Shirley's most popular dancing and singing partners was George Murphy, who was twenty-six years older than Shirley. He stopped making movies at about the same time as his young partner. In 1969,he was elected United States senator (参议员) from California, and he served in this office for six years. 1. Some of the American actors or actresses like Ronald Reagan, Shirley Temple and George Murphy .[ ]A. were later elected senators B. later became more successful in the movie circle (电影界) C. were later active in politicsD. later became presidents of the United States 2. Shirley Temple spent ______ years on her career as an actress. [ ]A. 21 B. 9 C. 11 D. 16 3. Quite a lot of people throughout the world as well as Americans remember Shirley Temple all the time .[ ]A. as a little girlB. as a pretty actress C. as an attractive woman D. as a young politician 4. Why did Richard M. Nixon appoint Shirley Temple as representative to the United Nations? [ ]A. Because she was a successful actress.B. Because she was an intelligent woman who knows much about movies. C. Because she was intelligent and had rich knowledge. D. Because she had been a little movie star. 5. George Murphy retired from making movies ______. [ ]A. in 1969B. at the age of 47 C. when he was 26 D. in 1975 查看答案
题型：填空题 患者男性，65岁。食管癌术后1年。近来出现消瘦，进食困难，四肢软弱无力，恶心、腹胀，来院复诊。低血钾的临床表现有（）。A.感觉异常B.腹胀，肠麻痹C.代谢性碱中毒D.心律失常E.尿量少，呈碱性F.肌无力，腱反射减退 查看答案
题型：填空题 下面对压力通气源描述不正确的是（）A.基本结构由通气阀、流量调节阀组成B.输出都是具备一定压力的气体C.输出压力都是恒压D.以高压向低压释放气体的形式完成肺通气E.特性曲线由通气源输出驱动压Ps确定 查看答案