更多"How did scientists discover the sou"的相关试题:
[单项选择]How did scientists discover the source of lead pollution in Green land
A. By analyzing the data published in journals like Nature and Ambio.
B. By observing the lead accumulation in different parts of the arctic area.
C. By studying the chemical elements of soil and snow in North eastern America.
D. By comparing the chemical compositions of leaded gasoline used in various countries.
[单项选择]According to the passage, scientists have discovered that influenza viruses ______ .
A. cause ill health in wild birds
B. do not always cause symptoms in birds
C. are rarely present in wild birds
D. change when transferred from animals to man
[单项选择]How did Nathaniel Bacon die
A. He was killed by Indians.
B. Governor Berkeley had him hanged.
C. He died of ma]aria.
D. He was accidentally shot by one of the farmers.
[单项选择]How did the accident occur
[单项选择]How did the accident happen
[单项选择]How did Bob like his steak
A. Underdone.
B. Medium rare.
C. Rare.
D. Overdone.
[单项选择]How did Britain explain the incident
A. The boats were away from their course by mistake.
B. The boats were en route to their base.
C. The servicemen fired at Iranian targets by mistake.
D. The servicemen ran into a trap.
[单项选择]How did Ray save the baby
A. He pulled the baby out of the window.
B. He put out the flames with a fire extinguisher.
C. He called the police and fire department.
D. He cried for help from the people around.
[单项选择]How did Redmon find his job
A. By searching openings in a job database.
B. By posting a matching position in a database.
C. By using a special service of a database.
D. By E - mailing his resume to a database.
[单项选择]How did you go to Madrid
[单项选择]How did the man learn about pepper
A. He read about it in a cookbook.
B. He grows his own herbs and spices,
C. He heard about it from a friend.
D. He studied it in cooking school.
[单项选择]How did the couple remember their anniversary
[单项选择]How did Washington demonstrate his presidential leadership when an army was organized
A. By making it as large as the one that had defeated the British.
B. By putting General Lee in charge.
C. By using the Militia Law.
D. By being at the front of the troops.
[单项选择]How did Renault test drive the Racoon
A. Over rocky terrain.
B. In actual reality.
C. Over French country roads.
D. In virtual reality.
[单项选择]How did David get his books back
[单项选择]How did Maggie go to the Peak
A. By Peak Tram.
B. By cable.
C. On foot.
D. Not mentioned