茶多酚化合物含量较高,适制()。
A.绿茶
B.红茶.
C.花茶
D.龙井茶
参考答案:B
---------_________ are you going to visit?
--------I am going to visit the Palace Museum.
A.Where
B.What
C.Why
D.When
如图11-8所示结构在外力作用下,哪一个轴力(N)图是正确的(提示:梁自重不计)()
A.A
B.B
C.C
D.D