Gasoline is ______ by the spark plugs in the engi

Fuel is ignited in a diesel engine cylinder by _____.A.a spark plugB.injectorsC.the heat o

In the United States, the foreign policy is decided by the ________ government, not by eac

By tradition, the leader of the majority party is appointed______by the Sovereign in the U

In the United States, the Senate is presided over by______of the United States.A．the presi

In the United States, the House of Representative is presided over by______.A．the presiden

The influence of business in the U.S. is evidenced by the fact that ________. A.mo