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【多选题】
下列关于钢结构安装施工要点的说法中,有误的是( )。A.
起吊事先将钢构件吊离地面30cm左右,使钢构件中心对准安装位置中心
B.
高强度螺栓上、下接触面处加有1/15以上斜度时应采用垫圈垫平
C.
. 施焊前,焊工应检查焊接件的接头质量和焊接区域的坡口、间隙、钝边等的处理情况
D.
焊道两端加引弧板和熄弧板,引弧和熄弧焊缝长度应大于或等于150mm
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【单选题】使用 722 型分光光度计时, 正确的调节方法是: ( )
A.
盖上样品室盖子调“0”和“100”
B.
盖上样品室盖子调“0”; 打开盖子调“100”
C.
打开样品室盖子调“0”和“100”
D.
打开样品室盖子调“0”; 盖上盖子调“100”
【单选题】使用722型分光光度计时,正确的调节方法是( )。
A.
盖上样品室盖子调“0”和“100”
B.
盖上样品室盖子调“0”；打开盖子调“100”
C.
打开样品室盖子调“0”和“100”
D.
打开样品室盖子调“0”；盖上盖子调“100”
【单选题】What elements does the communication involve?
A.
sender
B.
receiver
C.
message
D.
all of the above
【简答题】What elements does an introduction part contain in a 5 paragraph essay? What are they?
【简答题】v Video: Zootopia_1_2 v Thinking: v 1. Why did the negotiation of buying popsicles succeed? What techniques or elements did the rabbit use? v 2. Why did the rabbit fail to negotiate with the fox after...
【多选题】What elements does the graduation thesis research need to have?
A.
a clearly stated research question
B.
a systematic review of relevant literature
C.
a systematic method of data collection
D.
new contributions to knowledge and/or practices
E.
application of a business theory
【单选题】What elements does an optimized website need to introduce?
A.
Proper keywords
B.
proper meta-tags
C.
proper title-tags
D.
all of the above
【单选题】What elements does a phrase contain?
A.
Head, determiner and complement.
B.
Head, specifier and complement.
C.
Head, specifier and complementizer.
D.
Head, determiner and complementizer.
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