A.Megalodon, the largest shark, is extinct
B.Megalodon is not extinct but just out of reach
C.Megalodon was 52 feet long and had a jaw 7 or more feet wide
D.Megalodon lived between several million years ago.
A.was sorry for what she had done
B.was afraid she would be arrested
C.decided she didn't want what she had picked up
D.wanted to prove she had not intended to steal anything
开始考试点击查看答案A.guessed what the sputniks were for
B.was frightened by its shape
C.could see the camera filming her
D.knew that the detective had seen her
开始考试点击查看答案A.the store got the dresses back
B.the equipment was able to frighten shoplifters
C.other shops found out about the equipment
D.the kind of evidence supplied was accepted by court
开始考试点击查看答案A.to watch the most desirable goods
B.to make films that can be used as evidence
C.to frighten shoplifters by their appearance
D.to be used as evidence against shoplifters
开始考试点击查看答案A.they don't need to wait for staff to serve them
B.they don't need any previous experience as thieves
C.there are so many people in the store
D.January sales offer wonderful opportunities for them
开始考试点击查看答案A.The discovery of many "Living Fossils".
B.The discovery of the fossils of lobsters.
C.The discovery of a live Coelacanth.
D.The discovery of the fossils of sea urchins.
开始考试点击查看答案A.To listen for changes in ocean structure.
B.To listen for changes of ocean currents or volcanic activity.
C.To Make sure whether there was a giant squid deep in the ocean.
D.To follow the track of the Soviet warships under water.
开始考试点击查看答案A.A strange, powerful animal sound was heard.
B.A big whale's sound was heard.
C.A sea monster's sound was hear
D.D.A giant squid's sound was heard.
开始考试点击查看答案A.Scientists' discoveries always change people's belief.
B.There are too many secrets to be discovered.
C.Megalodon may be still alive deep in the ocean.
D."Deep sound channel" allows sound waves to travel undisturbed.
开始考试点击查看答案注册咨询工程师注册咨询工程师项目决策分析与评价项目决策分
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