更多"Doctors warned against chewing toba"的相关试题:
[单项选择]Doctors warned sun-starved tourists who received too much sunlight that they were at serious risk than others of contracting skin cancer.（ ）
A. with more serious
B. at seriously
C. at more serious
D. seriously with
[单项选择]The police warned people to be ______ against burglary during the festival.
A. in guard
B. on guard
C. under guard
D. like guard
[单项选择]Who was the inventor of chewing gum
A. Thomas Adams.
B. William Wrigley.
C. Both Adams and Wrigley.
D. Unknown.
[单项选择]Americans had been chewing gum since before Thomas Adams was born.
[单项选择]When did chewing gum become popular in the United States
A. In 1890.
B. In 1819.
C. In 1870.
D. In 1817.
[单项选择]Following the success of chewing gum, schools handed out gum to school children.
[单项选择]The following advantages of smokeless tobacco are listed EXCEPT that ______.
A. it is an effective substitute for ordinary smoking
B. it has no side effects
C. it avoids second-hand smoke
D. it can prevent a fire from bursting out
[单项选择]Doctors have found that laughter
A. keeps down blood pressure.
B. has similar effects to physical exercise.
C. decreases the heart rate.
D. increases stress.
[单项选择]In many countries tobacco and medicine are government ______.
A. control
B. monopoly
C. business
D. belongings
