【多选题】In President Xi’s statements,Chinese Dream is described as two centenary goals:
A.
the material goal of China becoming a "moderately well-off society" by 2021
B.
the material goal of China becoming a "moderately well-off society" by 2049
C.
the modernization goal of China becoming a fully developed nation by about 2049
D.
the modernization goal of China becoming a fully developed nation by about 2021
【单选题】按《中国药典》规定,精密标定的滴定液(如盐酸及其浓度)正确的表示方法为( )。
【判断题】大承气汤的煎法是:水煎,先煎大黄、厚朴、枳实,芒硝溶服。
【简答题】How long did President Xi's first visit to Britain last?
【简答题】正戊烷、异戊烷、新戊烷中,熔点最高的是( ),最低的是( )。
【单选题】An advance team was sent to the UK to make ______ for President Xi’s visit.
【判断题】因为Ag 2 CrO 4 的溶度积(K SP θ =2.0×10 -12 )小于AgCl的溶度积(K SP θ =1.6×10 -10 ),所以,Ag 2 CrO 4 必定比AgCl更难溶于水。