______all visible lights, red light has the longest and violet the shortest wavelength.A．A

A red light is often used as a danger _____.A. signalB. signC. warningD. reminder

Switzerland is home to all the following organizations EXCEPT______.A．AEAB．RED CROSSC．ILOD

The car ________ and stopped at the red traffic lights.Agot onBgot offCslowed downDpick

— I think you look very nice in the red jacket. —___A、Oh, no, I don ’t look nice at all.

All the lights ______ before we left the office.A.has been turned offB.have turned offC.ha

能够将表单的Visible属性设置为.T. 并使表单成为活动对象的方法是______。A.HideB.ShowC.ReleaseD