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【单选题】
What can be inferred from the passage about penicillin?A.
It effectively treats fungus infections.
B.
It was developed before nystation.
C.
It was developed before the Second World War.
D.
One of its by-products is nystatin.
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【单选题】Which information is NOT required to be posted in or near the wheelhouse ().
A.
Stopping time and distance from full speed while maintaining course with minimum rudder
B.
A diagram of advance and transfer for turns of 30°，60°，90° and 120° at full speed with maximum rudder and constant power
C.
For vessels with a fixed propeller，a table of shaft RPMs for a representative range of speeds
D.
Operating instructions for change-over procedures for remote steering gear systems
【简答题】Tim Richter and his wife, Linda, had taught for over 30 years near Buffalo, New York—he in computers, she in special education.“Teaching means everything to us，” Tim would say. In April 1998, he learn...
【简答题】维持蛋白质二级结构稳定的化学键主要是( )。
【单选题】I sat near the entrance for a long time expecting him, but he didn't arrive.
A.
waiting for
B.
waiting
C.
looking for
D.
watching
【单选题】Jee Hock knew the tiger was near. He ______.
A.
went to sleep
B.
cried
C.
sat down and waited
D.
lay down quietly
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