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【单选题】
热补偿的主要方法有两种:其一是依靠弯管的自然补偿,通常,当管路转角不大于150度时,均能起到一定的补偿作用;其二是利用补偿器进行补偿,主要有( )、波形及填料3种补偿器。
A.
方形
B.
圆形
C.
菱形
D.
椭圆形
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【单选题】关于垫层施工前,基层浇水湿润的说法错误的是
A.
防止基层吸收混凝土中水分,保证混凝土正常硬化
B.
可提高混凝土接缝质量
C.
浇水程度保证基层处于湿润状态即可
D.
可以不必浇水
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【单选题】听力原文:M: John is a head taller than Mary and Shelly. W: Yes, But Sam is much taller than John. Q: Who is the tallest among the four? (5)
A.
John.
B.
Sam.
C.
Mary.
D.
Shelly.
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【判断题】气体分散系统只能用于局部给药。
A.
正确
B.
错误
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【单选题】听力原文:W:Shelly's off to the mountains. M:Hmm...I never thought of her as an outdoor person. Q:What can be inferred about Shelly? (16)
A.
She is a great outdoor type.
B.
It is unusual for her to go mountain climbing.
C.
Shelly prefers mountain climbing.
D.
Shelly doesn't really like the outdoor.
查看完整题目与答案
【单选题】下列关于水泥砂浆地面施工的说法中,错误的是()。
A.
在现浇混凝土或水泥砂浆垫层、找平层上做水泥砂浆地面面层时,其抗压强度达到1.2MPa,才能铺设面层
B.
地面抹灰前,应先在四周墙上1200mm处弹出一道水平基准线,作为确定水泥砂浆面层标高的依据
C.
铺抹水泥砂浆面层前,先将基层浇水湿润,刷一道素水泥浆结合层,并随刷随抹
D.
水泥砂浆面层施工完毕后,要及时进行浇水养护,必要时可蓄水养护,养护时间不少于7d,强度等级应不小于15MPa
查看完整题目与答案
【判断题】ROM的每个与项(地址译码器的输出)都一定是最小项。
A.
正确
B.
错误
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【简答题】通过电子轰击可以引起固体产生辐射,这叫做 (光致发光/阴极发光)。
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【单选题】听力原文:M: Hi, Shelly! How was your vacation? W: Great! I went to New Orleans. M: Really? Why did you decide to go there? W: Well, I have a cousin who lives there. She's been trying to get me to take a v...
A.
A vacation the woman took.
B.
French influence in New Orleans.
C.
New Orleans' Mardi Gras Festival.
D.
A business trip.
查看完整题目与答案
【判断题】ROM 的每个与项(地址译码器的输出)都一定是最小项。
A.
正确
B.
错误
查看完整题目与答案
【单选题】My answers are ______ blue below.
A.
on
B.
at
C.
in
查看完整题目与答案
相关题目:
【单选题】关于垫层施工前,基层浇水湿润的说法错误的是
A.
防止基层吸收混凝土中水分,保证混凝土正常硬化
B.
可提高混凝土接缝质量
C.
浇水程度保证基层处于湿润状态即可
D.
可以不必浇水
查看完整题目与答案
【单选题】听力原文:M: John is a head taller than Mary and Shelly. W: Yes, But Sam is much taller than John. Q: Who is the tallest among the four? (5)
A.
John.
B.
Sam.
C.
Mary.
D.
Shelly.
查看完整题目与答案
【判断题】气体分散系统只能用于局部给药。
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文:W:Shelly's off to the mountains. M:Hmm...I never thought of her as an outdoor person. Q:What can be inferred about Shelly? (16)
A.
She is a great outdoor type.
B.
It is unusual for her to go mountain climbing.
C.
Shelly prefers mountain climbing.
D.
Shelly doesn't really like the outdoor.
查看完整题目与答案
【单选题】下列关于水泥砂浆地面施工的说法中,错误的是()。
A.
在现浇混凝土或水泥砂浆垫层、找平层上做水泥砂浆地面面层时,其抗压强度达到1.2MPa,才能铺设面层
B.
地面抹灰前,应先在四周墙上1200mm处弹出一道水平基准线,作为确定水泥砂浆面层标高的依据
C.
铺抹水泥砂浆面层前,先将基层浇水湿润,刷一道素水泥浆结合层,并随刷随抹
D.
水泥砂浆面层施工完毕后,要及时进行浇水养护,必要时可蓄水养护,养护时间不少于7d,强度等级应不小于15MPa
查看完整题目与答案
【判断题】ROM的每个与项(地址译码器的输出)都一定是最小项。
A.
正确
B.
错误
查看完整题目与答案
【简答题】通过电子轰击可以引起固体产生辐射,这叫做 (光致发光/阴极发光)。
查看完整题目与答案
【单选题】听力原文:M: Hi, Shelly! How was your vacation? W: Great! I went to New Orleans. M: Really? Why did you decide to go there? W: Well, I have a cousin who lives there. She's been trying to get me to take a v...
A.
A vacation the woman took.
B.
French influence in New Orleans.
C.
New Orleans' Mardi Gras Festival.
D.
A business trip.
查看完整题目与答案
【判断题】ROM 的每个与项(地址译码器的输出)都一定是最小项。
A.
正确
B.
错误
查看完整题目与答案
【单选题】My answers are ______ blue below.
A.
on
B.
at
C.
in
查看完整题目与答案