A.follow airplanes south every year
B.live in Canada all year round
C.learn to migrate on their own
D.be unable to fly back
第1题
34 How does light pollution affect wildlife?
A Animals may go off course.
B It helps migrating birds find their homes.
C Animals are afraid to go out after sunset.
D It helps birds fall asleep.
第6题
A、the elementary row operation of interchanging the first and second rows.
B、the elementary row operation of interchanging the second and third rows.
C、the elementary column operation of interchanging the first and second columns.
D、the elementary column operation of interchanging the second and third columns.
第7题
A.Thejumpersshouldbeplacedinthesingle/masterposition.
B.TherearenoconfigurationjumpersneededonaSASharddrive.
C.ThejumpersshouldbeplacedtogivethedriveaSCSIIDof1.
D.Thejumpersshouldbeplacedintheslaveposition.
第8题
When was the operation finished? The operation was finished at ______.
A.around 8: 30
B.about 7: 00
C.around 4: 00
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