题目

小军利用天平、水和烧杯来测量不规则小石块的密度，请将他的实验步骤补充完整。     （1）用天平测量小石块的质量时，右盘中的砝码和标尺上的游码如图12所示，则小石块的质量为         g． （2）如图13所示： a．往烧杯中加入适量的水，把小石块浸没，在水面到达的位置上作标记；     b．取出小石块，测得烧杯和水的总质量为153g；     c．往烧杯中加水，直到标记处，再测出此时烧杯和水的总质量为184g；     d．计算出小石块的体III. Verb filling(38%) With everything he needed ________, she left the supermarket. ( buy) If selected, he promised he would do all he could ________ public welfare. (promote) You are wasting your time __________ him; he’ll never take your advice. ( persuade) We can do no nothing now but _________him. ( encourage) I meant _______  you last weekend, but I was too busy and could not afford any time. ( visit ) Don’t let those who are not old enough ________ the video game arcade. ( enter) Do you feel like ________ a walk along the river? ( have) ________ to eat in the school cafeteria every day made me sick.  (force) Up to now, I ________ four cups of coffee this morning. ( drink) All of the students _________ attentively when someone made a loud noise. (listen) By the time I went to bed last night, Tom ________ asleep. (fall) It was insisted that the man ________ to prison because he committed a serious crime. ( send) This is the very motor cycle _________ to my desk-mate that was stolen last week. (belong) That novel written by the famous writer from Hong Kong is certainly worth _______ twice. (read) There are a number of students _________ to get examined. ( wait) The gangsters _______ out in a remote cabin until it was safe to return to the city. ( hide) He is such an _______ man. No one likes him. ( annoy) The driver of the car probably holds the key to _______ the crime. ( solve) I spoke to her kindly ________ her. ( not frighten) It _____ ten years before we meet again. ( be) It is hard to find a time that _______ everyone. ( suit) I first met Tom 10 years ago. He _______________ in a radio factory at that time. (work) Don’t bother to look for my dictionary, for it ____________ up some day. (turn) Some of our students do need ____________ highly because they perform well in every task they carry out. (praise) I know Mr. Brown; we ________________ to each other at an international conference. (introduce) _________ in 1950, this company has a history of over 50 years. (found) After _________________, the applicants will be required to take a language test. (interview) His works are said ______________________ into dozens of languages in the past few years. (translate) I found it no good ____________ to do it again. (continue) The flowers __________ so sweet that I decided to buy some. (smell) He came into the classroom, _____________ by many students. (follow) The terrible sound from downstairs made children _____________. (frighten) You’d better _______________ to know how to do it. (not pretend) Neither his parents nor his wife ______________ him well. (understand) You can hardly imagine the difficulty the woman had ____________ up her children. (bring) Though _________ money, his parents managed to send him abroad. (lack) He told us the story of a practical joke __________ on the man working with us. (play) 38.The matter ___________________ now will be settled at today’s meeting. (discuss)