土中的黏土矿物包括( )。
A．(B) 伊利
参考答案：A,B,C
27．To tell you the truth，the accident and the damage______resulted in frightened me so much that I almost have given up driving ever since．
A．that
B．it
C．which
D．What
附着式振动器安装在混凝土模板上时，每次振动时间不应超过(，)，当混凝土在模内泛浆流动或呈水平状即可停振，不得在混凝土初凝状态时再振。
A．1minB．2minC．3minD．4min
