Questions 18--21 are based on the following passage. Why did Mrs. Edward go back to the supermarket after she had finished shopping one day
A. Because she had to meet the manager.
Because she had to buy one more thing.
C. Because she had to find her shopping.
D. Because she had to pay for her shoppin
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原始存款1000万元，法定存款准备金率10%，提现率5%，超额准备金率5%，试计算整个银行体系的派生存款。
Questions 14--17 are based on the following dialogue. What does a student usually need to do before taking the advanced sketching course
A. Get familiar with some professors who teach the sketching course.
B. Write a book about sketches.
C. Master some knowledge about art.
D. Complete the prerequisite sketching cours
When is lunch served
A. From 11:30 to 2:40.
B. From 11:30 to 2:30.
C. From 12:30 to 2:40.
D. From 12:30 to 2:30.
What will the man probably do
A. He will ask the woman to teach him to drive.
B. He will learn to drive.
C. He will leave the woman alone.
D. He won’t teach the woman how to driv
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