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【简答题】
Make sentences by combining the following groups of words. Use the structure "It used to be +that..." to emphasize a discontinued habit or past situation in contrast to the present or past situation in contrast to the present. Make changes where necessary. Model: the word hero, reserve, those, perform, acts of distinct courage, beyond, the call of duty →It used to be that the word hero was reserved for those who performed acts of distinct courage beyond the call of duty. there, many fish, in teh river, people, swim, in it. _____________________________________________________________________________________.
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【单选题】关于车辆机械故障的预防的描述,错的是
A.
导游员应行前提醒司机检查车辆
B.
导游应和司机一起行前检查车辆，及时清除故障隐患
C.
导游员行前应做足路线规划
D.
行前导游员应熟悉旅游线路周边汽修站点与加油站
【单选题】How do you increase the likelihood that a new window you create with the window.open() method will open as a new window rather than a new tab?
A.
Specify the window=true option.
B.
Specify a height and/or a width value.
C.
Ensure the method is initiated by a user action.
D.
Close all open tabs in the user’s browser.
【单选题】关于车辆机械故障的预防的描述,错误的是
A.
导游员应行前提醒司机检查车辆
B.
导游应和司机一起行前检查车辆,及时清除故障隐患
C.
导游员行前应做足路线规划
D.
行前导游员应熟悉旅游线路周边汽修站点与加油站
【简答题】How do you increase the thermal efficiency of actual heat engines?
【简答题】How do you increase the feed rate?
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