— ______________ is your new computer teacher?
— Mr Liu.
A. Who's
B. Who
C. What's
答案:B
You won’t feel happy at school ____ you get on well with your classmates.
A.though
B.when
C.unless
D.because
处方格式的组成包括()
A.前记、正文、后记
B.前记、主体、签名、后记
C.前记、正文、签名、后记
D.前记、后记、附录、签名
E.患者信息、疾病诊断、医药人员签名