[单项选择]

W: We have been waiting for you for more than half an hour. Where have you been
M: I’m terribly sorry. My car broke down and it took me some 20 minutes to repair it.

Why was the man late（　）.
A. His car was sent to a garage.
B. His car was held up by the traffic.
C. His car broke down.

[简答题]It has been more than six months since we had the opportunity to serve your car, and we’ve missed you. So, we are inviting you to bring your car into our shop for a free inspection and adjustment. We hope that you will accept our offer. We have set aside the hours between 8:00 a. m. and 1:O0 p. m. , Monday through Friday for your convenience.

[单项选择]Every year more than half a million American kids have drainage (排泄) tubes surgically implanted in their ears to combat persistent infections..The procedure, know as tympanostomy, may not be as (67) as the tonsillectomy was ir the 1940s, but it now (68) as the nation’s leading childhood (69) and a new study suggests it’s being vastly overused. In (70) more than 6 000 scheduled ear tube operations, a team of experts (71) by Harvard pediatriciat Lawrence Kleinman found that fewer than half were clearly justified. "Each year", the researchers write in the current Journal of the American Medical Association (JAMA), "several hundred thousand children in the United States may be (72) tympanostomy tubes that offer them no demonstrated (73) ...and may place them at increased (74)
Tube placement isn’t a (75) risky procedure, but it costs $1 000 to $1 500 and sometimes scars the eardrum, causing a partial loss of