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【单选题】
We can learn from Paragraph Six that______.
A.
it is always hard to get accustomed to the fast changing industry
B.
Japan has had some successful ways to deal with the change
C.
Japanese companies can no longer survive by themselves
D.
traditional game console makers will disappear sooner or later
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【单选题】患者男性,23岁。因链球菌肺炎住院,T41.5°C,脉搏细弱,四肢厥冷,血压85/60mmHg,在观察病情中应特别注意
A.
瞳孔
B.
昏迷
C.
心律失常
D.
血压及脉搏
E.
体温
【单选题】如图所示,a、b、c、d均为石墨电极,通电进行电解。下列说法正确的是 (   )
A.
乙烧杯中d的电极反应为2Cl – –2e – =Cl 2 ↑
B.
a、c两极产生气体的物质的量相等
C.
甲、乙两烧杯中溶液的pH均保持不变
D.
乙烧杯中发生的反应为:2NaCl + 2H 2 O 2NaOH + H 2 ↑+ Cl 2
【单选题】--Was Tom there when you arrived? --Yes, but he___________ home soon afterwards.
A.
had gone
B.
has gone
C.
is
D.
went
【单选题】如图所示,a、b、c、d均为石墨电极,通电进行电解,下列说法正确的是 [     ]
A.
乙烧杯中d的电极反应为2Cl - -2e - =Cl 2 ↑
B.
a、c两极产生气体的物质的量相等
C.
如果忽略水解,甲、乙两烧杯中溶液混合后溶液的pH=7
D.
乙烧杯中发生的反应为2NaCl+2H 2 O 2NaOH+H 2 ↑+Cl 2 ↑
【单选题】— Was Tom there when you arrived? — Yes. But he ________ home soon afterwards.
A.
had gone
B.
has gone
C.
is going
D.
went
【单选题】—Was Tom there when you arrived? —Yes, but he ______ home soon afterwards.
A.
had gone
B.
has gone
C.
is going
D.
went
【简答题】电解碱性 KCl 溶液可制备 KCIO 3 , 电极反应为 Cl - +6OH - →C l O 3 - + 3H 2 O + 6e 。通 电 10. 9 h 得到 10 g KCIO 3 , 试问电流效率为多少 ? 电解碱性 KCl 溶液可制备 KCIO 3 , 电极反应为 Cl - + 6OH - → C l O 3 - + 3H 2 O + 6e 。通 电 10. 9 h 得到 10 g K...
【单选题】100°C,101.3 kPa下,1 mol水与100°C热源接触,使它向真空容器中蒸发成 100°C, 101.3 kPa的水蒸气,可用来判断过程可逆性的是 。
A.
ΔH
B.
ΔA
C.
ΔG
D.
ΔS(总)
【判断题】头顶球的方法是用头的顶部去顶球,顶球时要睁开眼睛。
A.
正确
B.
错误
【单选题】100°C、101.3 kPa下, 1 mol水与 100°C热源接触,使它向真空容器中蒸发 成 100°C、101.3 kPa的水蒸气,此过程不正确的是  。
A.
△H > 0
B.
△U > 0
C.
△G > 0
D.
△S > 0。
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