【多选题】用溴加成法测定不饱和键时,避免取代反应的注意事项是( )。
【单选题】Q: What is the first speaker going to do?
A.
Go to the engine room.
B.
Go to test the generator.
C.
Go ahead to front of the team.
【简答题】Which speaker do you think believes supernatural things least, the first speaker, the second speaker or the third speaker?(Three words)不用写标点符号
【判断题】Do the first speaker say yes?
【单选题】Q: What does the first speaker want to do?
A.
He wants to check the operation of the emergency generator.
B.
He wants to operate the emergency generator.
C.
He usually is in charge of the generator.
【单选题】What is the first speaker going to do?
A.
Go to the engine room.
B.
Go to test the generator.
C.
Go ahead to front of the team.