船用雷达是装在船舶上供驾驶员观测周围物标,特别是在能见度不良时,用以进行()及引航的一种无线电助航设备。
A、确定航向
B、确定转向点
C、避让、定位
D、避让
参考答案:C
用所给词的适当形式填空 。
小题1:Will you invite the exchange students (take) part in the activity?
小题2:The doctor can make Neil (feel) better than before.
小题3:Our paintings are quite different from (they).
小题4:Read more, and you (be) better at English.
小题5:Look ! Simon (fix) the broken bike for his classmate.
在布袋里放3个红球,5个黄球,1个白球,任意摸一个球,摸中( )球的可能性最大.
A.白球
B.黄球
C.红球
D.黄球和红球