A. in B. at C. around D. over

眼球血管膜 A . B . C . D . E

a型b型生出o型概率

证明下面文法是LR（1）而不是LALR（1）文法。 S→Aa|bAe|Be|bBa A→d B→d

设个体域D={a,b}，则公式[图]消去所有的量词应为A、[图]...

A. in B. at C. around D. over

(42)（名词解释题）

(45)（名词解释题）

Directions: You have stayed with your friend’s family for a month. Now you are going back home. Write a message to your friend’s family to 1) express your gratitude. 2) show your appreciation of the good days you’ve had together. 3) say goodbye. You should write about 100 words neatly on ANSWER SHEET 2. Do not sig your own name. Use “Li Ming” instead.(10 points)

The best title for the passage is _____.

I knew I could not possibly write the kinds of things I admired as a reader—Joyce, Kafka, Mann—so I detached myself from my work.