【单选题】水平放置的投影称为面水平投影面也叫水平面,通常用字母( )表示。
【判断题】阶梯形轴的尺寸及受力如图所示,其AB段的最大剪应力τmax1与BC段的最大剪应力τmax2之比为1:4。【图片】
【简答题】阶梯形轴的尺寸及受力如图所示,其 AB 段的最大剪应力与 BC 段的最大剪应力的比值为( ):( )。
【简答题】颐和园仁寿殿内的玻璃屏风上装饰有多少个不同写法的“寿”字?
【单选题】自2018年1月1日至2020年12月31日,对年应纳税所得额低于 ( ) 万元(含)的小型微利企业,其所得额减按50%计入应纳税所得额,按20%的税率缴纳企业所得税。
【单选题】His comments come in a week when a range of data showed slight signs of improvement in the property market.
A.
他的评论是在一周之后才到的,那时已经有一系列数据显示房地产市场的进步。
B.
他发表评论的那一周,正好是房地产市场显示进步的时候。
C.
他的评论是在一系列数据显示房地产市场稍微好转的那一周发表的。
D.
他发表了评论,之后一周房地产市场有数据显示已经稍微好转。
【单选题】What does Lynn Nadel mean in his comments?
A.
When we want to record something through tape recorder, we store it on one cassette.
B.
When we want to regain what we recorded in tape recorder, we press PLAY button.
C.
The storage and retrieval of information in brain are more complex than those in recorder.
D.
There is no likeness between storage and retrieval of information in brain and in recorder.
【单选题】水平放置的投影称为水平投影面也叫水平面,通常用字母( )表示。
【单选题】The author mentions Hardy's novel 'Under the Greenwood Tree' to justify his comments on
A.
his awareness of profundity.
B.
his contrastive impulses.
C.
his tendency to compromise.
D.
his nonconformist image.
【单选题】I was _____ by his comments about my clothes. [ ]