在电子邮件的具体写作中，必须做到（）完整、（）完整、（）完整。
参考答案：语句、结构、表达
胃溃疡腹痛规律是（）
A.疼痛-进食-加重
B.进食-疼痛-缓解
C.疼痛-进食-缓解
D.疼痛-排便-加重
E.疼痛-排便-缓解
______ is generally regarded as the forerunner of the 20th-century "stream-of-consciousness" novels and the founder of psychological realism.
A. Henry James B. Mark TwainC. Theodore Dreiser D. Walt Whitman
