为人民服务是我国政府工作的宗旨。()
参考答案:对
My classmate Andrew went to Vancouver , Canada in 2005 , and_____since .
A.has not heard of
B.had not heard of
C.has not been heard of
D.had not been heard of
关于Horner’s综合征的描述,不正确的是()
A.患侧上眼睑下垂
B.患侧眼裂变小
C.患侧眼球塌陷
D.患侧瞳孔放大
E.患侧颜面无汗