急性阑尾炎腹痛发生的特点是
A. 左下腹转移到右下腹痛
B. 左上腹痛后右下腹痛
C. 腹痛一开始即出现在右下腹部
D. 先上腹痛,后右下腹痛
E. 没有明确的特点
How many parts does a formal English letter often consist?
A. 6
B. 5
C. 4
D. 3
What are the synonyms used for dull in Text A “Writing for Myself”?
A. lifeless
B. cheerless
C. tedious
D. All of the above.
Which of the following is not a synonym for prim in Text A “Writing for Myself”?
A. formal
B. ridicule
C. rigid
D. proper