题目

You must get there within an hour．There should be no ______ in sending this information． A．question           B．delay          C．quarrel        D．problem   答案：B  根据上句中“get there within an hour”可知应选delay，意为“耽搁；耽误”。  把37只白兔放进9个笼子，总有一只笼子至少要放进55只．