A mother _____ （请用一个词填空) a ____________ （请用一个词填空) who _________________________（请用两个词填空) to me. （以上所有答案，请用小写字母填写，中间用英文分号和空格隔开）

1、 试用FOG公式求下列一段文字对应的最小阅读年龄,这段文字的n(句子数)、A(句子数)、L(包含3个或3个以上音节的字词数)、R(最小阅读年龄) 分别为( ) Michael Schumacher has dominated Formula 1 for the last decade, to a degree that, some would argue, has taken the excitement out of the sport.. He has a number of intrinsic strengths that make him so formidable. He is easily the most ruthless and aggressive driver on the circuit. There is no one who comes close to him in wet-weather conditions. Apart from the fact that he is a great racing driver, he understands all the factors that go into a win. There is no one who understands a racecar better than him.His greatest strength is that he has the ability to motivate the entire team of Ferrari engineers and technicians to give him the fastest car possible. His record speaks for itself.

A、8,140,26,14.4

B、8,140,28,15

C、7,140,26,15.428

D、7,150,28,16

A、A中存在一个r阶子式不为0

B、A中所有r阶子式都不为0

C、A中并非所有r+1阶子式都为0

D、A中所有r-1阶子式都不为0

Writing Task 1 Answer the questions based on the following memo. Memo To: All employees From: John Smith, Administration Office, Manager Date: July 14, 2014 Subject: Fitness Center The board of directors approved the idea for a new fitness center at the meeting yesterday. Work on the fitness center will begin right now and should be completed within 90 days. An employee representative from the marketing department will be appointed to gather views on furnishings and equipment for the fitness center. The representative will contact you soon and your suggestions will be greatly appreciated. 1、What is the subject of the memo? 2、Who will read this memo? 3、Who is John Smith? 4、What will be appreciated according to the memo? 第31题答案请在此处填写，32-40题请随后依序填写。 31

若矩阵A的秩为r,则下列说法正确的是

A、A中只有一个r级子式不为零

B、A中至少有一个r级子式不为零

C、A中也可能有r+1级子式不为零

D、A中所有r-1级子式全不为零