Answers:
1. A
2. B
3. B
4. A
Analysis:
Rénmen zǒngshì duì wèizhī shìwù chōngmǎn kǒngjù.
人们总是对未知事物充满恐惧。
People are always full of fear of the unknown.
Mǎyǎ rén céng yùyán èr líng yī èr nián shì shìjiè mòrì.
玛雅人曾预言2012年是世界末日。
The Maya prophesied that 2012 would be the end of the world.
Rúguǒ zhōumò bú xiàyǔ, wǒmen jiù qù páshān ba.
如果周末不下雨,我们就去爬山吧。
If it doesn’t rain on weekends, let’s go climb the mountain.
Tā fǎnduì wèihūn tóngjū.
她反对未婚同居。
She was opposed to unmarried cohabitation.
Keywords:
未知 (Wèizhī) unknown
未婚 (Wèihūn) unmarried; single; spinsterhood
末日 (Mòrì) doomsday; Day of Judgment; last day; Judgment Day; end
周末 (Zhōumò) weekend; Saturday-to-Monday; on the weekend
Once you understand the keywords, you can get the correct answers.