单选题：The little girl grasped her mother's arm as she crossed the

题目内容：

The little girl grasped her mother's arm as she crossed the street. A．understood
B．held
C．opened
D．led

参考答案：

答案解析：

All the pupils seem to be very cheerful.

All the pupils seem to be very cheerful.A．happy B．healthy C．naughty D．busy

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They are trying to identify what is wrong with the present system.A．prove B．dis

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某个学生在课堂上故意弄出响声以引起教师的注意，这时，采取（　）的处理方式最为适宜。 A．言语提醒 B．非言语暗示 C．有意忽视 D．暂时

分类：综合类题型：单选题

水泥混凝土垫层的厚度不应小于（　　）。A．20mm B．40mm C．60mm D．80mm

分类：综合类题型：单选题

关于屋面防水卷材铺贴时采用搭接法连接的说法，正确的有（　　）。A．上下层卷材的搭接缝应对正 B．上下层卷材的铺贴方面应垂直 C．相邻两幅卷材的搭接缝应错开 D．

分类：综合类题型：单选题