（）将电缆管、电缆外皮或吊车轨道等作为电焊地线。
A.可以
B.允许
C.禁止
D.防止
参考答案：B
(2014·苏锡常镇四市调研)—How was your interview for going abroad to study?
—Oh，I couldn’t feel any________.I hardly understood most of the questions they asked.
A．worse
B．harder
C．happier
D．better
分布在我国南方地区的热带经济作物是[ ]
A．柑橘、茶叶、棉花
B．天然橡胶、椰子、油棕
C．咖啡、苹果、胡椒
D．剑麻、荔枝、葡萄
