19世纪70年代，（）族人口原有5000余人，到日本帝国主义投降时，只剩300多人。
A.土家
B.赫哲
C.苗
D.布依
参考答案：B
—Who is your favorite singer, Julia?
—Well,it's hard to say. I like singers ____ write their own lyrics. [ ]
A. who
B. whose
C. which
D. what
营养液浓度
