【单选题】What should you do if you are offered a drink by your host?
A.
Return the cup to your host after finishing the drink
B.
Wipe your mouth with your sleeve
C.
Accept a drink from the cup using just one hand
D.
Put the cup in front of you after finishing the drink
【单选题】47 组合体尺寸标注时,定位尺寸的尺寸基准一般不宜用________。
【单选题】It’s good __________ your health_________.
【判断题】标注尺寸时,一般应先对组合进行形体分析,选定三个方向的尺寸基准,然后调整总体尺寸,再标注各个形体的定形、定位,最后检查,完成全图的尺寸标注。
【单选题】组合体尺寸标注时,定位尺寸的尺寸基准一般不宜用( )。
【单选题】- How was your life in England ? -Quite different from here . __ ,people there drink tea with milk .
【多选题】倾斜岩层与等高线的关系有哪几种( )
B.
弯曲方向一致,但岩层分界线的弯曲度小于地形等高线弯曲度
C.
弯曲方向—致,但岩层分界线的弯曲度大于地形等高线弯曲度
【单选题】在人类演化各阶段中,最早使用工具的人是()