【简答题】Compared with the figure in 2009, a much bigger number of deaths was reported in 2012 based on the CDC ’ s ________. When the United States 2009 H1N1 swine flu started , an international emergency, a ...
【简答题】A graduate student from India recounted his first experience at being invited to the home of a U.S. graduate student. When he arrived, his U.S. friend, invited him into the house where he was dressing...
【简答题】Words in This Story solar system – n. a star and the planets that move around it light-year(s) – n. a unit of distance equal to the distance that light travels in one year (about 5.88 trillion miles o...
【简答题】Choose the proper word to fill in the following blanks:(选择只选字母,不用加点,否则系统会判错) A. ANSI B. BS C. NF D. CSA E. DIN F. ISO G. JIS 我国的《机械制图》国家标准是依据国际标准化组织( )制定的国际标准并在其基础之上修订而成的标准。而美国国家标准...