[单项选择]The planes disappeared when they were flying near the United States.

[单项选择]

Conditions were near perfect as parachutist Elizabeth Cheshire jumped from the twin-engine plane at 10,000 feet. The 22-year-old daughter of a war-time hero, Elizabeth had 60 jumps behind her. The weather was fine and the wind was well below the 10 mph (miles per hour) maximum allowed for jumping. Free-falling with eight other members of her parachute club, Elizabeth watched the Cambridge shire countryside spread out beneath her. At 2,000 feet she opened her parachute. Seconds later she had the most terrifying experience of her life. At 800 feet and right on target for the landing zone, a massive gust of wind picked her up and swept her away from the airfield near Pampisford Village. As she fought with the parachute strings to get back on course, a main road and lines of trees loomed up before her. Using every ounce of strength she managed to clear them. But then came the moment of horror. She saw herself heading straight for three 11,000 volt electrical power tines. Elizabeth cr
A. Elizabeth went straight back home after the accident.
B. Her friends didn't expect that Elizabeth would come back unhurt.
C. The power supply of the area was cut off because of the accident.
D. Elizabeth would not give up parachute jumping in spite of the accident.

[单项选择]When were pulse rates taken
A. After every exercise period.
B. Every time the ratio of active riding was increased.
C. Every day.
D. After each step-test.

[单项选择]The planes disappeared immediately after they took off.

[单项选择]When were the trademark registration provisions modified


A. 1880.
B. 1870.
C. 1905.
D. 1915

[单项选择]The planes disappeared because there was a storm.

[单项选择]We were talking on the phone when we were ______.
A. cut down
B. cut off
C. hung up
D. hung back

[单项选择]When did Amy Johnson become interested in flying
A. In 1923.
B. In 1930.
C. After she received a BA
D. After graduation from Yorkshire University.

[单项选择]When we were in the mountains, we often found ourselves entirely enveloped by the fog.
A. confined
B. surrounded
C. darkened
D. blocked

[单项选择]According to the passage, when stamps were used, the postage would be ______ that in the early 19th century.

[单项选择]Did you use to （） when you were a girl
A. enjoy playing
B. enjoy play house
C. enjoying to play house
D. enjoying play house

[单项选择]When lights were suddenly turned on, the tiny 'beam of the flashlight was lost______ the bright lights.
A. amidst
B. among
C. against
D. into

[单项选择]It was no surprise when we were told that our grandfather had {{U}}passed away{{/U}}.
A. survived
B. gone out
C. died
D. gone on a trip

[单项选择]When we were about to get away a police car came to the front door.
A. 当我们正要离开的时候，一辆警车来到了前门。
B. 我们正准备离开，一辆警车来到前门。
C. 当我们正要逃跑的时候，一辆警车来到了前门。
D. 当我们大约要走的时候，一辆警车来到了前门。

[单项选择]"Did you go to Belgium last year when you were on a business trip to Europe " "No,________there."