【简答题】He has been a medical ______________ for ten years. 2. My computer is too slow and I want to ______________ it. 3. He loses all his money in the economic ______________. 4. I do not believe w...
【简答题】IrDA 是一种利用红外线进行 传输方式通信的技术。
【单选题】( )导游人员的带团技能贯穿于旅游活动的全过程,但没有一个固定的模式。
【单选题】In fashion design one of the most important factors is to ______.
A.
satisfy excessive demands
B.
maintain good press contacts
C.
make instant decisions
D.
cultivate public taste
【单选题】电梯的维护保养应当由( )或者依照特设法取得许可的安装、改造、修理单位进行。
【单选题】在多媒体课件中,课件能够根据用户答题情况给予正确和错误的回复,突出显示了多媒体技术的()。
【判断题】IrDA 是一种利用红外线进行点对多点通信的技术。
【单选题】The writer has lost his money. He felt upset. He must have been ( ).