A:5.07
B:5.7
C:0.75
D:7.5
— Yes, he does.是的,他牙疼。
— He should see a dentist and get an Xray.他应该去看牙医并拍一张X片。
点拨:①常见的描述病情的短语:
____感冒/发烧
____头疼/牙疼/胃疼
____背疼/喉疼
②____意为:"拍一张X片"相当于 take an Xray