【判断题】中心频率和半峰宽可表征原子吸收线的总体轮廓
【单选题】双面清水墙,按单面清水墙相应定额子目,人工乘以系数( )
【简答题】Good news! We'll have____one-day holiday in order to celebrate the 70th annzversary(纪念日)of the victory in World War II. A.a B.an C.the D./
【多选题】下列关于校对的作用与地位的表述,正确的有()。
【判断题】红宝石与红碧玺相似,但两者的相对密度不同,碧玺的相对密度大于红宝石。
【单选题】According to the text, the Hispanic news media are successful because ______
A.
they meet the interests of Spanish America.
B.
they report the current wrongdoings of minorities.
C.
they help keep the productivity of the society of white people.
D.
they focus on the same news as other news media do.
【单选题】—The 11th National Games will be held in Shandong in October, 2009. — ______ exciting news! [ ]
【多选题】下列关于校对的作用与地位的表述,正确的有( )。