(2.5 分)
It is recommended in this passage that_________.
A.Even full navigational equipment is expected to fail, it is not necessary to have an emergency kit prepared B.in regular navigation, an emergency kit is unnecessary C.even no danger is expected in near future, an emergency kit should be prepared and placed on the bridge for immediate use D.if full navigational equipment is expected to fail in near future, you should have an emergency kit prepared and placed in the chart room or on the bridge for immediate use正确答案C
