题目内容
采用增量法计算纯弯曲梁的正应力，其两步之间荷载增量通常为（ ）。
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弯曲-扭转组合变形主应力实验中，荷载最大增到（ ）。
弯曲-扭转组合变形主应力实验采用1/4桥路测试应变，电阻应变仪的应变读数为实际应变的（ ）倍。
弯曲-扭转组合变形主应力实验中，如果要想求解1点的主应变，需要知道该点（ ）个方向线应变值。
Fil in the gaps with words or phrases givenin the following . Change the form where necessary .-----------------------------------weep/ reverse/ sprinkle /diminish / long for/put away/ repay /at sea / traditional /in secret /statement/ unload /sincere /in turn / under way-----------------------------------1) The cook put the meat on a plate,______ it with salt and pepper , wrapped up the plate in aluminum foil (铝箔) and then placed it in the oven to roast .2) Every waking moment we talk to ourselves about the things we experience . Our self - talk , the thoughts we communicate to ourselves ,_____ control the way we feel and act .3) John made everyone laugh when he got the words ______ and referred to himself as “ my husband 's wife .”4) You can ’t live a perfect day without doing something for someone who will perhaps never be able to ______ you .5) Because the Earth is a sphere (球形), sailors _____ only can view other ships to a distance of about 13 miles before those ships seem to disappear into the horizon .6) Johnson dismissed _____ ideas lightly as no good on several occasions .7) One tends to believe whatever one repeats to oneself sufficiently often , whether the _____ be true or false .8) Susan told me numerous times how her sister_____ children .9) I don ' t know what my roommate is up to because he does everything _____, either when I am away or when I am asleep .10) For economic reasons , shipbuilders have designed vessels that can be loaded and ____ in a minimum amount of time with minimum labor .11) Laugh , and the world laughs with you; _____ , and you weep alone .12) A national debate is now_____ about the manner in which we as a society should protect our natural resources .
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