眼的屈光系统不包括()
A.房水
B.虹膜
C.玻璃体
D.晶状体
E.角膜
参考答案:B
They paid fifty percent of _____ they were able to earn to the state.
A.that
B.which
C.what
D.whom
长江上游的支流自西向东排列正确的是( )
A.岷江嘉陵江乌江
B.岷江嘉陵江湘江
C.乌江岷江雅砻江
D.湘江汉江赣江