W:I’m sorry to hear that Amanda got injured in an accident.Was she hurt badly?M:No,she wasn’t injured as seriously as we thought at first.If only she had been wearing herseat belt,she wouldn’t have been hurt at all.What can we learn about Amanda?()
A. She wasn’t hurt.
B. She had an accident.
C. She wore her seat belt.
D. She was hurt badly.
铁是自然界分布最广的金属元素之一,铁及铁的化合物应用十分广泛。 铁元素是人体的重要营养元素,铁的摄入量不足会引起()
M:The blouse seems a bit short.Do you have a bigger size?W:No,I’m afraid we don’t.They’re almost sold out.It’s the last sale day.Where does the conversation take place?()
At home.
B. In a store.
C. At a restaurant.
D. In a hospital.
双杠杆气动差压变送器根据()原理工作,通过()可调整量程范围。