He _______ an English club last year and has improved his English a lot.
A:protected
B:produced
C:joined
D:received
“中体西用”的实施者,以“自强求富”为目标创办军事和民用工业,以及与之密切相关的近代文化事业。“中体西用”的实施者指的是( )
加数
48
50
25
54
77
5
6
7
和
____