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【简答题】
George Washington Carver George Washington Carver was born in Missouri between 1861 and 1864. He was born into slavery. It was not until the end of the Civil War that George became free. As he grew up, George loved to read and learn. Black children were not allowed to go to the same schools as white children. 1____ Every early morning, he left home to go to the school. There he studied very hard. After he finished high school, George wanted to go to college. At that time, few black students could afford the college tuition ( 学费). He worked for a time until he could borrow money to go to college. In 1890 he went to Simpson College in Iowa. 2____ His drawings of plants were so good that his teacher suggested he study botany, which is the science of plants. George went to an agricultural college in Iowa in 1891, where he not only graduated but also taught students. George continued to study plants. 3____ In 1896, he was invited to teach at the Tuskegee Institute in Alabama. He worked there as a professor for 47 years. He also became an important research scientist. He discovered new ways to use plants. 4____ These include dyes, plastics, paint, and make-up. He also taught farmers how to grow crops to help the soil, and new ways to farm. In 1943 George Washington Carver died. 5____ There is a national monument to him in Missouri where he grew up. He has had a ship named after him. In 1990 he was admitted to the National Inventors Hall of Fame. The boy who wanted to learn became a great inventor and scientist. A. There he studied art and music. B. He found about 100 new ways to use peanuts. C. He has been honored all over the world for his achievements. D. He became very famous for his work. E. After graduation, George began working for a law firm. F. The schools for black children were far from where George lived.
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举一反三
【单选题】内部控制缺陷按其成因分为设计缺陷和运行缺陷,对其按影响程度的分类错误的是( )。
A.
重大缺陷
B.
普通缺陷
C.
重要缺陷
D.
一般缺陷
【简答题】1,拟定加工工艺路线需要思考解决哪些问题? 2,高精度零件的加工,要划分为哪几个加工阶段?划分加工阶段的目的有哪些? 3,安排加工顺序时要考虑哪几方面问题?机械加工顺序的安排原则是什么? 4,何谓工序集中、工序分散?两者的应用特点和应用前景你怎么看? (注:以“手写稿”图片上传有效,不关注系统所给成绩。)
【多选题】正常情况下,如果通过电子邮件发送一张照片给朋友,则该电子邮件一般应包括( )。
A.
主题
B.
内容
C.
用户计算机名
D.
附件
【简答题】硝酸是常见的三大强酸之一,在化学研究和化工生产中有着广泛应用,常用于制备硝酸盐、染料、肥料、医药中间体、烈性炸药等.硝酸盐多用于焰火、试剂、图象处理行业. (1)某金属M的硝酸盐受热时按下式分2MNO 3 △ 2M+2NO 2 ↑+O 2 ↑,加热3.40gMNO 3 ,生成NO 2 和O 2 折算成标准状况时的总体积为672mL.由此可以计算出M的相对原子质量为______. (2)将32....
【单选题】以下哪种身体条件的人,不可以申请机动车驾驶证?
A.
糖尿病患者
B.
高血压患者
C.
红绿色盲者
D.
怀孕的妇女
【简答题】硝酸是常见的三大强酸之一,在化学研究和化工生产中有着广泛应用,常用于制备硝酸盐、染料、肥料、医药中间体、烈性炸药等。硝酸盐多用于焰火、试剂、图像处理行业。 (1)某金属M的硝酸盐受热时按下式分解:2MNO 3 2M+2NO 2 ↑+O 2 ↑,加热3.40gMNO 3 ,生成NO 2 和O 2 折算成标准状况时的总体积为672mL。由此可以计算出M的相对原子质量为_____________。 (2...
【判断题】绩效管理的核心是绩效评价和激励管理。
A.
正确
B.
错误
【单选题】10欧 电阻和 0.2F电容并联电路的时间常数为()
A.
1s
B.
0.5s
C.
2s
D.
4s
【单选题】10 欧姆电阻和 0.2F 电容并联电路的时间常数为( )
A.
1S
B.
0.5S
C.
2S
D.
3S
【简答题】机械加工顺序的安排原则是:先粗后精、 _____ 、 _____ 。
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