在风向频率玫瑰图中,某一方向的线段长度与图例中单位长度的比值表示该方向风的()。
A.频率值
B.统计值
C.代表值
D.标准值
参考答案:A
All the students ______come from America are here.
A.who
B.which
C./
D.that
Mr. Brown is warm-hearted and often does everything that he can to to those in trouble.
A.break out
B.set out
C.reach out
D.pick out