UNIT2SUCCESS;课前自主预习;Ⅰ．猜词意

A．乐观的，乐观主义的

B．宇航员

C．坚定的；尽心尽力的

D．热心的，热衷的

E．职业，事业;

1．Thewholefamilyaremittedvegetarians. ()

2．Thesevenastronautsarepreparedfortwoweeksinorbit. ()

3．ItookthisnewjobbecauseIfeltthatthecareerprospectsweremuchbetter. ()

【答案】1—3CBEDA

;

4．