单项选择题
A.indifferent B.distressing C.optimistic D.pessimistic
If you（）a magnet-needle, its two ends can point North a...
单项选择题If you（）a magnet-needle, its two ends can point North and South, and so it can be used to determine directions.
A.overtake B.fix C.highlight D.suspend
Shaking hands when people meet each other for the first...
单项选择题Shaking hands when people meet each other for the first time is practiced as a（）way of greeting.
A.conventional B.conservative C.constant D.convenient
Richard's news report covering the conference was so（）t...
单项选择题Richard's news report covering the conference was so（）that nothing had been omitted.
A.comprehensive B.integrated C.redundant D.productive
