1、 The car-renting rate remains $99 if you________.( )

2、 Falls in the bathroom are considered to be unfortunate because________.( )

3、 The purpose of this passage is to tell people that _______.( )

4、 A personal alarm is designed for old people to _______.( )

5、 Falls in the bathroom are considered to be unfortunate because________.( )

6、 Last steps on stairs may become a high-risk accident area if they are______.( )

7、 By making some very simple changes at home, old people ______.( )

8、 The purpose of this passage is to tell people that _______.

9、 A personal alarm is designed for old people to _______.

10、 Last steps on stairs may become a high-risk accident area if they are______.( )

11、 By making some very simple changes at home, old people ______.( )

12、 The purpose of the passage is to advertise________.( )

13、 The last sentence of the passage “You rent a company” means that_______.( )

14、 Which of the following statements can describe the dog days properly?

15、 Which of the following is included in the car-renting rate________?( )

16、 According to the advertisement, $99 is the rate offered for________.( )

17、 The purpose of the passage is to advertise________.( )

18、 The last sentence of the passage “You rent a company” means that_______.( )

19、 The car-renting rate remains $99 if you________.( )

20、 Which of the following is included in the car-renting rate________?( )

21、 According to the advertisement, $99 is the rate offered for________.( )

22、 What is the passage mainly about?

23、 As soon as the dog days arrive, it will be better for you to choose proper foods to keep ______.

24、 How long does the dog days usually last?

25、 The coldest days of the year.