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【单选题】
吊钩角由两根绳构成,两根绳上分别产生拉力。两根分绳的角度取决于负载的重量,重量增加角度加大,无论任何提升过程,吊钩角度不得超过:
A.
50°
B.
60°
C.
70°
D.
.80°
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举一反三
【单选题】Why did Holmes say that “this business has not finished well” ?
A.
Because the king thought it was not over
B.
Because Holmes wanted more money from the King
C.
Because the photo has not been taken back
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【单选题】The general manager decided __________ his visit to Britain because of the sudden accident.
A.
delay
B.
delaying
C.
to delay
D.
to be delayed
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【简答题】什么是房间的冷负荷?
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【单选题】某房间的冷负荷的取值是
A.
逐时将各项冷负荷进行叠加，取最大值那个时刻的累计叠加值
B.
逐时将各项冷负荷进行叠加，取最小值那个时刻的累计叠加值
C.
选取不同时刻中不同项的冷负荷出现的最大值
D.
逐时累加各项冷负荷，取不同时刻的累计平均值
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【判断题】结构的自振频率和周期只取决于它自身的质量和刚度,与初始条件及外界的干扰因素无关,它反映着结构固有的动力特性。
A.
正确
B.
错误
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【简答题】Hello, everyone. I'm Lily, your tour guide. I'm sure you are excited about today’s tour . The first place we will be visiting is Yonghe Temple. The one-hour temple tour finishes at about 11 . Before h...
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【单选题】We'll see a variety of animals and visit some of the amazing people that live in the forest. In Week 2 of this series, we ’ 1l climb to the top of the highest mountain in Japan, Mount Fuji, and see th...
A.
Beside the Amazon River.
B.
On Mount Fuji.
C.
Near Niagara Falls.
D.
In Canada.
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【单选题】与梅毒螺旋体特征不符合的一项叙述是
A.
菌体的鞭毛样结构与动力有关
B.
抵抗力弱，加热50℃5min即死亡
C.
菌体有致密而规律的螺旋，两端尖直
D.
用人工培养基不能生长
E.
用普通染料不易着色
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【单选题】梅毒螺旋体不符合的:
A.
密螺旋
B.
两端尖直
C.
在血平板上生长良好
D.
可用镀银染色
E.
抵抗力弱
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【单选题】A 57-year-old female presents to general gynecology clinic for evaluation of a pelvic mass. The mass was detected on a routine visit to her primary care doctor during abdominal palpation. In the offic...
A.
S-100
B.
CA-125
C.
Beta-hCG
D.
Alpha fetoprotein
E.
CA-19-9
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相关题目：
【单选题】Why did Holmes say that “this business has not finished well” ?
A.
Because the king thought it was not over
B.
Because Holmes wanted more money from the King
C.
Because the photo has not been taken back
查看完整题目与答案
【单选题】The general manager decided __________ his visit to Britain because of the sudden accident.
A.
delay
B.
delaying
C.
to delay
D.
to be delayed
查看完整题目与答案
【简答题】什么是房间的冷负荷?
查看完整题目与答案
【单选题】某房间的冷负荷的取值是
A.
逐时将各项冷负荷进行叠加，取最大值那个时刻的累计叠加值
B.
逐时将各项冷负荷进行叠加，取最小值那个时刻的累计叠加值
C.
选取不同时刻中不同项的冷负荷出现的最大值
D.
逐时累加各项冷负荷，取不同时刻的累计平均值
查看完整题目与答案
【判断题】结构的自振频率和周期只取决于它自身的质量和刚度,与初始条件及外界的干扰因素无关,它反映着结构固有的动力特性。
A.
正确
B.
错误
查看完整题目与答案
【简答题】Hello, everyone. I'm Lily, your tour guide. I'm sure you are excited about today’s tour . The first place we will be visiting is Yonghe Temple. The one-hour temple tour finishes at about 11 . Before h...
查看完整题目与答案
【单选题】We'll see a variety of animals and visit some of the amazing people that live in the forest. In Week 2 of this series, we ’ 1l climb to the top of the highest mountain in Japan, Mount Fuji, and see th...
A.
Beside the Amazon River.
B.
On Mount Fuji.
C.
Near Niagara Falls.
D.
In Canada.
查看完整题目与答案
【单选题】与梅毒螺旋体特征不符合的一项叙述是
A.
菌体的鞭毛样结构与动力有关
B.
抵抗力弱，加热50℃5min即死亡
C.
菌体有致密而规律的螺旋，两端尖直
D.
用人工培养基不能生长
E.
用普通染料不易着色
查看完整题目与答案
【单选题】梅毒螺旋体不符合的:
A.
密螺旋
B.
两端尖直
C.
在血平板上生长良好
D.
可用镀银染色
E.
抵抗力弱
查看完整题目与答案
【单选题】A 57-year-old female presents to general gynecology clinic for evaluation of a pelvic mass. The mass was detected on a routine visit to her primary care doctor during abdominal palpation. In the offic...
A.
S-100
B.
CA-125
C.
Beta-hCG
D.
Alpha fetoprotein
E.
CA-19-9
查看完整题目与答案