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【单选题】
提出双螺旋结构模型,并获得诺贝尔奖的科学家是A.
J.Watson ， F. Crick 和 Marshall Nirenberg
B.
J.Watson ， F. Crick 和 Oswald Avery
C.
J.Watson ， F. Crick 和 Rosalind Franklin
D.
J.Watson ， F. Crick 和 Maurice Wilkins
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【简答题】What does “EPIRB” stand for?
【单选题】Based on the discussion, on the 'steeping stones', what does the 'stone' refer to?
A.
The stones in desert.
B.
The flyways for pollinators.
C.
Patches of plants.
D.
Collects of flowering plants.
【单选题】What are the EPIRB lanyards to be used?
A.
Attach to the ship to prevent the EPIRB floating free.
B.
To be used by survivors for securing theEPIRB to a survival craft or.person in water.
C.
Avoid the EPIRB transmitting alert accidentally.
D.
To be used to combine the EPIRB with the SART.
【单选题】What does EPIRB stand for? （）
A.
Emergency Position Indicating Radar Buoy
B.
Electronic Pulse Indicating Radiobeacon
C.
Emergency Position Indicating Radiobeacon
D.
None of the above
【单选题】What does the author mean by saying 'the 21st century equivalent of being caught naked'? 查看材料
A.
People's personal information is easily accessed without their knowledge.
B.
In the 21st century people try every means to look into others' secrets.
C.
People tend to be more frank with each other in the information age.
D.
Criminals are easily caught on the spot with advanced technology.
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