天河石属于()。
A.正长石
B.微斜长石
C.钠长石
D.钙长石
参考答案:B
Mary spends a lot of money on clothes ______ her family is not rich. [ ]
A. because
B. though
C. if
D. so
指出适用于活血化瘀法的眼症:
A.白睛溢血
B.白睛混赤
C.白睛红赤
D.白睛污浊
E.白睛红赤隐隐