在铸造工艺中，首先要做模样，做模样时，应使铸件交角处制成（），以避免交角处的缩孔、开裂等。
A.尖角
B.倒角
C.圆角
参考答案：C
—What do you think of Thomas?
—Well, he is good, warm-hearted, hard-working and intelligent; _______, I can’t speak too highly of him.
A．in a word
B．as a result
C．by the way
D．on the contrary
鲜的兰花
