【单选题】Webster's purpose in writing An American Dictionary of the English Language is to prove that A-merican English was superior to British Enlgish.
【判断题】对驻外人员的培训一般分为三个阶段:预备教育、启程前教育、抵达后教育( )。
【单选题】下列离子方程式不正确的是:
A.
KSCN滴入FeCl 3 溶液中:Fe 3+ +3SCN - ?Fe(SCN) 3
B.
K 2 Cr 2 O 7 溶液中存在的平衡:Cr 2 O 7 2- +H 2 O?2CrO 4 2- +2H +
C.
酸性高锰酸钾与草酸的反应:2MnO 4 - +5C 2 O 4 2- +16H + =2Mn 2+ +10CO 2 +8H 2 O
D.
向NaOH溶液中通入过量的CO 2 :CO 2 + OH - =HCO 3 -
【简答题】Definition: Language is th e __________________ ability to __________________ complex systems of __________________ , and a language is any specific example of such a system. Human language has the pr...
【单选题】田中『昨日、彼女は高校に入学しました、ボールペンを( )。』吉田『やさしい 田中さんですね』