机械加工中获得尺寸精度的方法有四种（），（），（），（）。
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| 完形填空。 | |||
| Jim Green is an announcer(播音员）for the program(节目). Most of the girls__1__ boys like the program. They __2__like Jim Green. Some of them often make phone calls to him and thank him __3__ his work. There are lots of __4__ to him every day, too. Jim Green gets up at 6:00 every morning. He has bread and a glass of milk __5__ breakfast. He leaves home at 6:30 and gets to his office at 7:15. The program __6__ at 7:30.He plays the new records (唱片）of the pop songs and modern music for his listeners. At 8:00 it's time __7__ the news. Jim finishes work at 10:30. He goes home __8__ his car. He __9__ newspaper and listens to music __10 __ supper. He thinks his life is very interesting. | |||
| ( )1.A and ( )2.A too ( )3.A to ( )4.A letter ( )5.A at ( )6.A begins ( )7.A to ( )8.A by ( )9.A looks ( )10.A. for | B. with B. to B. for B. letters B. with B finishes B. for B. in B. reads B. with | C. but C. also C. to C. friends C. for C. over C. of C. on C. sees C. after | D. about D. so D. and D. words D. to D. start D. in D. takes D. watches D. to |
以下不属于合同中部分条款无效的情形是( )。
A．造成对方人身伤害的
B．因故意造成对方财产损失的
C．因重大过失造成对方财产损失的
D．损害社会公共利益的
律师作为法律顾问代理参与民事诉讼，代理______，必须得到被代理方的特别授权。
A．申请回避
B．申请调取新的物证
C．申请证据保全
D．承认对方的诉讼请求
制备空胶囊壳时一般要加甘油和羧甲基纤维素，二者的作用为（）
A.增塑
B.芳香矫味
C.着色
D.遮光
E.防腐
如图
A.当心中毒
B.当心触电
C.当心雷击
D.当心电击