【单选题】【消耗次数:1】
They are young carry the box onto the table.
enough; too
too;to
so; to
very; to
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相关题目
【单选题】 13.They are ______ young _____ carry the box onto the table.
①  enough; too
②  too, to
③  so; to
④  very; to
【单选题】 This box is too heavy for me to carry upstairs.__________
①  You may ask for help.
②  Let me give you a hand.
③  Please do me a favor.
④  I’d come to help
【判断题】 A: This box is too heavy for me to carry upstairs. B: You may ask for help.
①  正确
②  错误
【单选题】 The Apple Watch is very beautiful, but its too expensive. So I cant _____ it.
①  save
②  support
③  offer
④  afford
【单选题】 A: This package is too heavy for me to carry it upstairs. B: [填空].
①  You may ask for help.
②  Please do me a favor
③  Ill give you a hand
④  Id come to help.
【单选题】 He offered to ___ her a hand as the suitcase was too heavy for her to carry.
①  lend
②  help
③  grant
④  loan
【单选题】 Nobody is ______, so try not to worry too much about that.
①  full
②  entire
③  perfect
④  complete
【判断题】 A: That box is too heavy for me to lift. B: Ill give you a hand.
①  正确
②  错误
【单选题】 This box is [填空] heavy for this child to carry.
①  too
②  much
③  more
④  many
【单选题】 “Can I help you?” “Well, I’m afraid the box is too heavy for you, ____ thank you all the same.”
①  and
②  so
③  but
④  or
随机题目
【判断题】 轴向线应变与横向线应变的符号相反。
①  正确
②  错误
【判断题】 延伸率δ和截面收缩率ψ是衡量材料塑性性能的两个主要指标,δ和ψ值越小,说明材料的塑性越好。
①  正确
②  错误
【判断题】 纯弯曲梁中性轴上各点处的正应力为零;在上、 下边缘处正应力的绝对值最大。
①  正确
②  错误
【多选题】 提高细长压杆稳定性的主要措施有()。
①  减小压杆的长度
②  改善杆端支撑
③  选择合理的截面形状
【单选题】 梁弯曲时横截面上任一点的正应力与弯矩和该点到中性轴距离成()比,与截面对中性轴的惯性矩成()比。
①  正,正
②  反,反
③  正,反
④  反,正
【判断题】 当杆的应力不超过某一限度时,杆的伸长(缩短)量与杆所受的外力和杆长成正比,而与杆横截面面积成反比。
①  正确
②  错误
【判断题】 当梁受正弯矩时,其最大正应力一定出现在下部边缘。
①  正确
②  错误
【判断题】 改善杆端支撑,可以提高压杆稳定性。
①  正确
②  错误
【单选题】 材料断裂或产生较大塑性变形时的应力称为()。
①  许用应力
②  极限应力
③  比例极限
④  弹性极限
【单选题】 对于细长压杆,压杆的临界力与杆长的平方成()。
①  正比
②  反比
③  无关