[填空题]Probable cause includes drug-sniffing dog alerts or witnessing illegal contents in ______ inside the car.

[单项选择]
The leading cause of lung cancer among women in the city was cooking oil fumes while men are more likely to develop the disease from smoking, said medical experts after a five-year research study.
Doctors announced the results yesterday with analysis on some new tendencies in lung cancer. They said patients are younger, especially women.
According to the Shanghai Tumor research Institute, more local residents die of lung cancer in the city than anything else. Following breast cancer, it has the second-highest incidence rate.
"An unhealthy lifestyle is a very important reason for lung cancer, " said Dr. He Yumin from Shanghai Minshen Traditional Chinese Medicine Tumor Diagnosis and Treatment Center.
He followed 2,276 lung cancer patients for five years. Among them, 1,483 were male.
Smoking causes 70 percent of cases among men while only 18 percent of female patients developed cancer fr
A. Family cancer history.
B. Unhealthy dietary habits.
C. Weak immune systems.
D. Personal health and physiical condition.

[单项选择]Mr. Smith and his wife had a dog. When they went out, they always left the dog inside the house. One evening they wanted to go to the cinema, so they left the dog in the house and locked the door and their garden gate. They went off in their car.
When the film was over, they went home. They opened the gate and put the car away. When they came to the front door, they found that the glass in the door was broken. The door was not locked and it was open. A robber! They went in and quickly looked in all the rooms to see if the robber took their things. However, everything was in the right place and nothing at all was missing.
The dog was sleeping in the sitting-room. The wife was angry with the dog. "Why didn’t you guard the house" she said. The dog was pleased to see Mr. and Mrs. Smith. It began to wag its tail and then it went to a comer of the room and picked up something in its mouth. It went to the wife and dropped the thing at her feet. When she went to pick it up, she was v
A. Because she thought it made the room dirty.
B. Because she thought it broke the glass.
C. Because she thought it didn’t guard the house.

[单项选择]

Cooking Oil Fumes Cause Tumor

The leading cause of lung cancer among women in the city was cooking oil fumes while men are more likely to develop the disease from smoking, said medical experts after a five-year research study.
Doctors announced the results yesterday with analysis on some new tendencies in lung cancer. They said patients are younger, especially women.
According to the Shanghai Tumor research Institute, more local residents die of lung cancer in the city than anything else. Following breast cancer, it has the second-highest incidence rate.
"An unhealthy lifestyle is a very important reason for lung cancer," said Dr He Yumin from Shanghai Minshen Traditional Chinese Medicine Tumor Diagnosis and Treatment Center.
He followed 2,276 lung cancer patients for five years. Among them, 1,433 were male.
Smoking causes 70 percent of cases among men while only 18 percent of female patients developed
A. Men are more likely to develop lung cancer than women.
B. Women are more likely to develop lung cancer than men.
C. Patients with lung cancer become older, especially males.
D. Patients with lung cancer become younger, especially females.