信息技術在課堂講授中的引導功能是指利用現代媒體所演播的內容不直接涉及教學問題,而是以與教學主題相關的現象和事物開始,旁征博引、旁敲側擊、或創設一種情境、或引起學習動機、或提供一種線索,引入教學主題
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is,are,has,have,havingTheaverageBritishfamily,which________smallerandricherthan50yearsago,________3.6members.
Canyouofferusmachinetools___thefollowingspecification?
Thereisagrowingbodyofevidencetosupportthefactthatmostpeoplesufferfromalackofdaydreaming_______anexcessofit.
____yourinformation,wehavereceivedacrowdofenquiriesfrombuyersinotherdirections.()
Ithinkhisfailureintheexperimentresulted________hiscarelessness.