Which of the following belongs to "intervening obstacles"?A.Severe famine.B.Personal facto

外语类 公共英语 已帮助 人

Which of the following belongs to "intervening obstacles"?

A.Severe famine.

B.Personal factors.

C.Presence of fellow countrymen.

D.Finding a suitable job.

热搜:初始t细胞是指从未接受过抗原刺激的尚未成熟的t细胞