【简答题】用铅笔或水笔绘制相互切割的圆形; 要求:手臂悬空,手腕保持不旋转,画多个圆相切,保持圆与圆之间相切,圆的大小可以有变化,至少画满2张纸。
【单选题】Your first job in the introduction is to __________
A.
explain your topic to the audience
B.
show your credibility to the audience
C.
get the attention and interest of the audience
D.
build rapport with the audience
【判断题】The main purpose of the narrowing section of the introduction is to connect the essay's big idea to the thesis.
【简答题】浏览器对象模型的英文是【____】(词组,首字母大写);
【判断题】模糊工具属性栏中的“强度”值设置越大,表示模糊的效果越不明显。
【多选题】清洁生产审核验收的条件是通过清洁生产审核评估之后,继续实施清洁生产中/高费方案,建设项目竣工环保验收合格3个月后,稳定达到( )。
【简答题】The introduction is the first paragraph of an essay. It has two functions: (2) it i______the topic of the essay.
【简答题】国产某机床的传动系统,需换一个损坏的齿轮,测得其齿数 Z=24 ,齿顶圆直径 d a =78mm ,已知为正常齿制的标准齿轮,试求齿轮的模数和分度圆直径、齿根圆直径、齿距、齿厚和槽宽。