下列疾病哪些可引起睑球粘连______
A.重症沙眼
B.结膜天疱疮
C.Stevens-Johnson综合征
D.白喉
E.碱烧伤
参考答案:A,B,C,D,E
Great changes _____ in the last few years in China. [ ]
A. were taken place
B. had been happened
C. have been happened
D. have taken place
()反映了企业的获利能力。
A.利润表
B.资产负债表
C.现金流量表
D.股东权益变动表