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【单选题】
. Tom as well as his classmates __________ a song when the teacher came into the classroom.
A.
are singing
B.
were singing
C.
is singing
D.
was singing
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举一反三
【单选题】Which is NOT true about Ho's study?
A.
20 patients were involved in the study
B.
The patients have used several anti-HIV drugs
C.
16 patients withdrew from the experiment
D.
The patients have been treated for up t0 18 months
查看完整题目与答案
【单选题】Five hundred critically-ill patients were investigated with the main purpose of ____________.
A.
observing how they reacted to the crisis of death
B.
learning how to hest help themselves and their families
C.
finding out their attitude towards the approach of death
D.
helping themselves and their families overcome the fear of death
查看完整题目与答案
【单选题】在控制电路设计中,通常根据实验要求正确选择滑线式变阻器的参数,利用的物理原理是
A.
基尔霍夫电压定律
B.
基尔霍夫电流定律
C.
欧姆定律
D.
电阻定律
查看完整题目与答案
【单选题】听力原文： Thirty-four patients died and two were injured early yesterday when a fire broke out in a 15sychiatric hospital in the town of Nonsan. A police spokesman told reporters there were 41 patients in...
A.
two
B.
thirty-four
C.
thirty-six
D.
forty-one
查看完整题目与答案
【单选题】上极限尺寸与基本尺寸的差称为（）
A.
下偏差
B.
上偏差
C.
公差
D.
下极限尺寸
查看完整题目与答案
【单选题】最大极限尺寸与基本尺寸的代数差称为( )。
A.
上偏差
B.
下偏差
C.
误差
D.
公差带
查看完整题目与答案
【判断题】最大极限尺寸与基本尺寸的代数差称为上偏差。
A.
正确
B.
错误
查看完整题目与答案
【单选题】在测量交谈噪声时,若风速较大,则传声器:
A.
须加风罩
B.
须降低高度
C.
须适当转换方向
D.
须增加高度
查看完整题目与答案
【简答题】背景： 某工业厂房修建铁水倒罐站．其倒罐坑底板和侧壁设计采用的是C30防水混凝土，抗渗等级为P8，底板厚度为1300mm，侧壁厚度为1200mm。铁水倒罐坑的功能要求是热态作业区，坑内不能有水存在，否则将影响投产后的安全生产。吸取以前倾翻基础漏水造成钢水爆炸的经验教训，甲方要求施工单位要在确保甲方正常生产的条件下进行施工并确保倒罐坑的施工质量。但由于多种因素的影响，施工过程中还是出现了严重的质量事...
查看完整题目与答案
【判断题】最大极限尺寸与基本尺寸的代数差称为上偏差。
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】Which is NOT true about Ho's study?
A.
20 patients were involved in the study
B.
The patients have used several anti-HIV drugs
C.
16 patients withdrew from the experiment
D.
The patients have been treated for up t0 18 months
查看完整题目与答案
【单选题】Five hundred critically-ill patients were investigated with the main purpose of ____________.
A.
observing how they reacted to the crisis of death
B.
learning how to hest help themselves and their families
C.
finding out their attitude towards the approach of death
D.
helping themselves and their families overcome the fear of death
查看完整题目与答案
【单选题】在控制电路设计中,通常根据实验要求正确选择滑线式变阻器的参数,利用的物理原理是
A.
基尔霍夫电压定律
B.
基尔霍夫电流定律
C.
欧姆定律
D.
电阻定律
查看完整题目与答案
【单选题】听力原文： Thirty-four patients died and two were injured early yesterday when a fire broke out in a 15sychiatric hospital in the town of Nonsan. A police spokesman told reporters there were 41 patients in...
A.
two
B.
thirty-four
C.
thirty-six
D.
forty-one
查看完整题目与答案
【单选题】上极限尺寸与基本尺寸的差称为（）
A.
下偏差
B.
上偏差
C.
公差
D.
下极限尺寸
查看完整题目与答案
【单选题】最大极限尺寸与基本尺寸的代数差称为( )。
A.
上偏差
B.
下偏差
C.
误差
D.
公差带
查看完整题目与答案
【判断题】最大极限尺寸与基本尺寸的代数差称为上偏差。
A.
正确
B.
错误
查看完整题目与答案
【单选题】在测量交谈噪声时,若风速较大,则传声器:
A.
须加风罩
B.
须降低高度
C.
须适当转换方向
D.
须增加高度
查看完整题目与答案
【简答题】背景： 某工业厂房修建铁水倒罐站．其倒罐坑底板和侧壁设计采用的是C30防水混凝土，抗渗等级为P8，底板厚度为1300mm，侧壁厚度为1200mm。铁水倒罐坑的功能要求是热态作业区，坑内不能有水存在，否则将影响投产后的安全生产。吸取以前倾翻基础漏水造成钢水爆炸的经验教训，甲方要求施工单位要在确保甲方正常生产的条件下进行施工并确保倒罐坑的施工质量。但由于多种因素的影响，施工过程中还是出现了严重的质量事...
查看完整题目与答案
【判断题】最大极限尺寸与基本尺寸的代数差称为上偏差。
A.
正确
B.
错误
查看完整题目与答案