[不定项选择题]Why did the driver stop his car suddenly and jump out of it? __________
A.Because he supposed something must have gone wrong with his car
B.Because he was moved by the pretty voice of Mrs．Janes
C.Because he wondered what had happened to Mrs．Janes
D.Because he was frightened by the terrible voice of Mrs．Janes

[不定项选择题]Why did the African nations welcome an ivory ban?___________
A.The rate of killing has been accelerating
B.The US government forbids imports of both raw and finished ivory
C.They realized that the killing of elephants is a serious threat to their tourist business
D.African people advocated an ivory ban

[不定项选择题]Why did Mr. Brown write the letter?
A.To request an overdue payment
B.To ask for an extension on payment due
C.To notify the client that the account has been settled
D.To offer a special type of a service

[不定项选择题]Why did she go for long walks along the country roads? __________
A.Because she enjoyed the country’s fresh air
B.Because she was afraid to disturbed the rest of the family
C.Because she lived in a small house far away
D.Because she was afraid to practice the tones

[不定项选择题]共用题干 Where Did All the Ships Go?

The Bermuda Triangle（三角区）is one________(1) the greatest mysteries of
the sea.In this triangular area between Florida,Puerto Rico and Bermuda in Atlantic,
ships and airplanes__________(2)to disappear more often than in________(3)
parts of the ocean.And they do so_________(4)leaving any sign of an accident or
any dead bodies.
It is_________(5)that Christopher Columbus was the first person to record strange
happenings in the area.His compass stopped working,a flame came down from the sky,
and a wave 100 to 200-feet-high carried his ship about a mile away.
The most famous disappearance in the Bermuda Triangle was the U. S. Naval（海军
的）Air Flight 19._________(6)December 5,1945,five bomber planes carrying
14 men_________(7)on a training mission from the Florida coast.Later that day,all
communications with Flight 19 were lost.They just disappeared without a trace.
The next morning,242 planes and 19 ships took part in the largest air-sea search in
history.But they found nothing.
Some people blame the disappearances__________(8) supernatural（超自然的）
forces.It is suggested the_________(9)ships and planes were either transported to
other times and places, kidnapped（绑架）by aliens（外星人）_________(10)
attacked by sea creatures.
There are_____________(11)natural explanations,though.The U.S. Navy says that
the Bermuda Triangle is one of two places on earth__________(12)a magnetic
compass（指南针）points towards true north __________ (13) magnetic north.
____________(14),planes and ships can lose their way if they don't make adjustments.
The area also has changing weather and is known____________(15)its high waves.
Storms can turn up suddenly and destroy a plane or ship.Fast currents could then sweep
away any trace of an accident. _________(4)
A.without
B.by
C.from
D.upon