What is Mrs. Brown unsatisfied with? ________
A. The soup
B. The waitress’ service.
C. The itinerary
D. The hotel.
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How does Wang Hui handle Mrs. Brown’s complaints? ________
A. Tells the chef.
B. Tells the manager of the restaurant.
C. Tells the waitress.
D. Replaces it by herself.
Which of the following is NOT Mr. Brown’s complaint? ________
A. Wang Hui was walking a little too fast.
B. Little time was left for the tourists to enjoy the scenery.
C. Wang Hui spoke too loud at the scenic sites.
D. Wang Hui’s voice was too low at the scenic sites.
1.不同的胺与亚硝酸反应现象不同，可用于鉴别
A. 脂肪
B. 芳香伯
C. 仲
D. 叔胺
2.总结C4H7X 有 ( )碳链异构和官能团位置异构
A. 10种
B. 11种
C. 8种
D. 12种
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