【单选题】【消耗次数:1】
14.We should plant trees on _______ side of the road.
each
some
every
many
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相关题目
【单选题】 Although they plant trees in this area every year, the tops of some hills are still ______.
①  blank
②  hollow
③  vacant
④  bare
【单选题】 We should be pleased to send you some samples of our new printers on approval, _______ our own expenses.
①  at
②  on
③  for
④  in
【单选题】 9.We should really take some effective ______ to prevent such terrible things from happening again.
①  measures
②  steps
③  means
④  ways
【单选题】 It was getting dark. I found a car________in a pool by the side of the road.
①  to be stuck
②  stuck
③  sticking
④  stick
【单选题】 11.It was getting dark. I found a car____in a pool by the side of the road.
①  to be stuck
②  stuck
③  sticking
④  stick
【单选题】 We ran to the trees, we couldnt see any more monkeys.
①  but
②  for
③  so
④  and
【判断题】 Every word in the title should be capitalized.
①  正确
②  错误
【单选题】 When we speak to people, we should be ______.
①  as polite as possible
②  as polite as possibly
③  as politely as possible
④  as politely as possibly
【单选题】 — Its very windy and dusty in Beijing . —Well, more trees______ every year to stop the wind and sand.
①  should plant
②  should planted
③  can planted
④  must be planted
【单选题】 The tall building of the martyred city flashed by as we lurched from side to side ______ the driver’s sharp twists of the wheel.
①  in response to
②  as response to
③  in response of
④  as response of
随机题目
【单选题】 由主切削刃直接切成的表面叫( )。
①  切削平面
②  切削表面
③  已加工面
④  待加工面
【判断题】 工序能力系数与被加工工件工序公差无关。
①  正确
②  错误
【判断题】 精基准是指精加工时所使用的基准。
①  正确
②  错误
【判断题】 铣削和拉削时,由于切削力稳定,故不会引起强迫振动。
①  正确
②  错误
【单选题】 定位基准是指()
①  机床上的某些点、线、面
②  夹具上的某些点、线、面
③  工件上的某些点、线、面
④  刀具上的某些点、线、面
【单选题】 轴类零件加工中,为了实现基准统一原则,常采用()作为定位基准。
①  选精度高的外圆
②  选一个中心孔和一个不加选精度高的外圆
③  两端中心孔
④  选一个不加工的外圆
【单选题】 车床上安装镗孔刀时,刀尖低与工件回转中心,其工作角度将会比标注角度()
①  前、后角均变小
②  前、后角均变大
③  前角变小,后角变大
④  前角变大,后角变小
【单选题】 切削脆性材料产生的切屑类型是()。
①  挤裂切屑
②  崩碎切屑
③  带状切屑
④  粒状切屑
【单选题】 工件受热均匀变形时,热变形使工件产生的误差是()
①  尺寸误差
②  形状误差
③  位置误差
④  尺寸和形状误差
【单选题】 车削一批工件的外圆时,先粗车一批工件,再对这批工件半精车,上述工艺过程应划分为()
①  二道工序
②  一道工序
③  二个工步
④  一个工步