Preparedness actions are aimed ______ planning, organizing, training, equipping, exerc

Valves in the cylinder head of a diesel engine are opened by the direct action of the ____

____________ 查看材料A.spotsB.placesC.movesD.actions

According to the passage, seeing and perceiving are______.A．the same action going on in ou

The new visa policy aims at______.A. protecting S

The aim of sustainable development is________.A.t

Professor Joan McLean’s course aims to______.A.ad