瞳孔对光反射中枢位于()。
A.脊髓
B.延髓
C.大脑
D.中脑
E.下丘脑
参考答案:D
Daniel, we ______ you were an adult, ______ who would make good decisions…
A.think; one
B.thought; one
C.think; that
D.thought; that
在单元格中输入公式时,输入的第一个符号是()。
A.=
B.+
C.-
D.$