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【单选题】
对于厚度大于50mm的、圆筒形等重型构件,一班采用的焊接方法是( )。
A.
手工电弧焊
B.
电渣焊
C.
二氧化碳气体保护焊
D.
埋弧自动焊
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参考答案:
举一反三
【单选题】Which is the oldest and greatest of the medical classics?
A.
Yellow Emperor’s Classic of Internal Medicine
B.
The Classic on Medical Problems
C.
Discussion of Cold-Induced and Miscellaneous Diseases
D.
Shen Nong’s Herbal
【判断题】根据车桥的作用不同可分为整体式和断开式两种。
A.
正确
B.
错误
【多选题】根据《素问·五运行大论》观点,五行中某一行之气太过,则:
A.
己所胜
B.
所不胜
C.
所胜轻而侮之
D.
行相克
E.
所不胜侮而乘之
【单选题】The TestKing network is shown below: Refer to the exhibit. The network shown in the exhibit has just been installed. Host B can access the internet, but it is unable to ping host C. What is the proble...
A.
Host B should be in VLAN 13
B.
The address of host C is incorrect.
C.
The gateway for host B is in a different subnet than the host is on.
D.
The switch port that sends VLAN 13 frames from the switch to the router is shut down.
【简答题】A.Parents host special coming-of-age ceremonies for their children when they are 20. B.In the past boys marked their transition to hood when they were around 13. C.Females generally wear furisode...
【简答题】恰逢幼儿园家长开放日,心怡的妈妈看到小班里其他小朋友都在操场上尽情地玩耍,而心怡却站在身旁,小手拉着妈妈的衣角,尽管妈妈再三鼓励,她还是不肯跟大家一起游戏,她更喜欢在一旁静静观看。在家里,心怡倒是爱唱爱跳,滔滔不绝的,拿起一本图画书,可以一个人编一段很长的故事。 怎样才能增强孩子的自信心和安全感,提高他们的社交技能呢?请帮心怡妈妈想想办法。
【单选题】所有酶分子已被底物饱和,再增加底物浓度也不能增加中间产物浓度,反应速度达到最大值,不随底物浓度的增加而增加,该阶段为
A.
零级反应期
B.
Km值
C.
酶国际单位
D.
延滞期
E.
一级反应期
【多选题】下列账户中,年末一般无余额的有( )。
A.
“管理费用”
B.
“本年利润”
C.
“主营业务收入”
D.
“累计折旧”
E.
“财务费用”
【单选题】所有酶分子已被底物饱和,再增加底物浓度也不能增加中间产物浓度,反应速度达到最大值,不随底物浓度的增加而增加,该阶段为
A.
酶的转换率(TN)
B.
Km值
C.
酶国际单位
D.
延滞期
E.
零级反应
【单选题】The fact inspires us Chinese_________Shanghai has been selected as a host city for the first time
A.
13.The fact inspires us Chinese_________Shanghai has been selected as a host city for the first time in the history of EXPO. A.that
B.
which
C.
when
D.
What
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