The Navy is warning ships to stay away from the coast of Somalia after a series of______ a

It is necessary for the ship to contact ____ for authorization prior to undertaking mitiga

When a hurricane is about to occur, warning is usually given by the weather bureau. The un

The purpose of this passage is likely to______.A．warn people about the effects of carbon e

The author s purpose in writing this passage is to______.A．warn people not to celebrate Ha

All______is to give him a warning.A．what is neededB．is neededC．that is neededD．the needed

When the ships is going to enter into the harbor, _____.A.change from diesel oil to heavy