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【简答题】
I. Fill in the blank in each of the following sentences with a suitable preposition or adverb. ( 1*10=10 points ) 1. During that time, they may apply ______ permanent residency. 2. Panicky decisions so often turn out ______ be wrong decisions. 3. So he decided to work ______ what they were. 4. The truth is that Ms. Stevens is one in a million: She was lucky enough to stumble ______ the exact pursuit she was born for. 5. Where North Korea’s latest threats diverge ______ past practice is in their intensity and specificity. 6. Although I soon convinced him ______ my innocence, I think he still has serious doubts about my sanity. 7. No one could figure ______ how he got to be so wealthy. 8. The kitchen garden overflows ______ fresh vegetables. 9. Bible teaches me that we should have faith ______ God. 10. The updated terms apply ______ all of these devices.
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【单选题】煤气中添加少量有特殊臭味的乙硫醇(C 2 H 5 SH),可以提醒人们预防煤气泄露。乙硫醇在煤气燃烧过程中也可充分燃烧,其反应方程式为2C 2 H 5 SH + 9O 2 点燃 4CO 2 + 2X + 6H 2 0, 则 X 的化学式为:
A.
SO 3
B.
SO 2
C.
CO
D.
H 2 SO 4
【单选题】A consular invoice is an invoice signed by .
A.
a consul of the importing country to which the goods are consigned
B.
a consul of the exporting country to which the goods are consigned
C.
manufacturer in the importing country
D.
a manufacturer in the exporting country
【单选题】以下关于事故调查权限说法正确的是:( )。 1、重大事故由事故发生地省级人民政府负责调查 2、较大事故由事故发生地设区的市级人民政府负责调查 3、一般事故由事故发生地县级人民政府负责调查 4、对一般事故县级人民政府可以授权或者委托有关部门组织事故调查组进行调查。
A.
①②④
B.
①②③④
C.
①③④
D.
②③④
【判断题】煤气爆炸是煤气燃烧的一种特殊形式。()
A.
正确
B.
错误
【多选题】双锥回转式真空干燥机的优点有( )等
A.
能回收物料中有用的湿分
B.
物料能够全部排出
C.
结构简单,清退容易,操作简便
D.
传热系数高,干燥速率大,节约能源
【单选题】煤气中添加少量有特殊臭味的乙硫醇(C 2 H 5 SH)可提示煤气是否泄漏.乙硫醇在煤气燃烧过程中也可充分燃烧,化学方程式为2C 2 H 5 SH+9O 2 点燃 . 4CO 2 +2X+6H 2 O.下列叙述不正确的是(  )
A.
X为SO 2
B.
乙硫醇由三种元素组成
C.
乙硫醇的相对分子质量为62g
D.
乙硫醇不充分燃烧也可能产生CO
【判断题】位于框架结构顶层端节点处(图集-1第67页)的梁上部纵向钢筋和柱外侧纵向钢筋,在节点角部弯折处,当钢筋直径小于等于25mm时,钢筋弯折的弯弧内直径不应小于钢筋直径的12倍;当直径大于25mm时,不应小于钢筋直径的16倍。
A.
正确
B.
错误
【单选题】煤气中添加少量有特殊臭味的乙硫醇(C 2 H 5 SH),可以提醒人们预防煤气泄露.乙硫醇在煤气燃烧过程中也可充分燃烧,其反应方程式为2C 2 H 5 SH+9O 2 点燃 . 4CO 2 +2X+6H 2 O,则X的化学式为(  )
A.
SO 3
B.
SO 2
C.
CO
D.
H 2 SO 4
【单选题】煤气中添加少量特殊臭味的乙硫醇(C 2 H 5 SH),可以提醒人们预防煤气泄露。乙硫醇在煤气燃烧过程中也可充分燃烧,其反应方程式为2C 2 H 5 SH+9O 2 4CO 2 +2X+6H 2 O,则X的化学式为 [     ]
A.
SO 3
B.
SO 2
C.
CO
D.
H 2 SO 4
【判断题】开启香槟酒时,应晃动瓶身,制造更多的泡沫,增加喜庆气氛。( )
A.
正确
B.
错误
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