当人们在调节消极情绪时,可取的方法是[ ]
①向亲密可信的人倾诉
②谩骂攻击他人
③参加体育运动
④乱砸物品
A.①②
B.①③
C.①②④
D.①③④
答案:B
— _____________?
— I have a sore back. [ ]
A. What's the wrong
B. What's matter
C. What's trouble
D. What's wrong
管母线焊接时,直径大于300mm的对接接头宜采取()。