如果在喷射混凝土中掺加的不是钢纤维，而是合成纤维，就叫做（）。合成纤维有聚丙烯纤维、尼龙纤维、玻璃纤维、碳纤维等，其品种很多。
参考答案：合成纤维喷射混凝土
—What do you think of James?
— Well,_____ his father, James___ sharing his things with others .
A．likes; like
B．like; likes
C．likes; likes
D．like; like
简述在课堂教学的导入过程中，如何引起学生的学习兴趣。
