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【简答题】
阅读理解。 It is Sunday today. Tom is lying in bed. It is eight-thirty. He doesn't want to get up.  His father is watering the flowers(浇花).  His mother is cooking breakfast. His sister is doing her homework. 'Get up,  Tom. '  says his mother,  ' Go to help your dad. ' Tom  has to leave the bed, but he finds a math book in his bag. He stdrts to read loudly. ' Three times (乘)  five is fifte.en,  three times six is six-teen. . . ' His mother hears this and  becomes  angry (生气).   She  asks,' What are you reading, Tom?'  'I don't know. '  ' Aren't you reading?'' Yes,  I am, ' answers the boy. ' But I am not listening ! ' 1. There are _____ people in Tom's family. A. two B. three C. four D.five 2. The family are all busy except(除…以外_____. A. Tom B. Tom's si C. Tom's father D. Tom's mother 3. Tom doesn't want to get up because          . A. it is very early B. he is very tired C. he has no homework D. he doesn't need to go to school 4. _____, so he begins to read the book. A. Tom doesn't want to get up to help his father B. Tom doesn't want to help anyone C. Tom likes reading very much D. Tom likes to study math very much 5. Tom's mother is angry because _____. A. her son doesn't go to help his father B. what her son is reading is not right C. her son is reading a math book D. her son doesn't listen to her
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举一反三
【单选题】某反应的 Δ r HmΘ = 100 kJ · mol -1 ,则此反应的活化能为
A.
< 100 kJ · mol -1
B.
> 100 kJ · mol -1
C.
= 100 kJ · mol -1
D.
不能判定
【单选题】如果某一反应的ΔHm为-100kJ•mol-1,则该反应的活化能Ea是:
A.
Ea≥-100kJ•mol-1;
B.
Ea≤-100kJ•mol-1;
C.
Ea=-100kJ•mol-1;
D.
无法确定。
【单选题】金本位币制度下,汇率决定的基础是( )。
A.
法定平价
B.
 铸币平价
C.
通货膨胀率差
D.
利率差
【多选题】借贷记账法下,( )的依据是“资产=负债+所有者权益”。
A.
全部账户的期初借方余额合计=全部账户的期初贷方余额合计
B.
全部账户的期末借方余额合计=全部账户的期末贷方余额合计
C.
全部账户的期初借方余额合计+全部账户本期借方发生额合计=全部账户的期末借方余额合计
D.
全部账户的期初贷方余额合计+全部账户本期贷方发生额合计=全部账户的期末贷方余额合计
【单选题】某反应的反应热为ΔH=-100 KJ/mol,则该反应的活化能 ( )
A.
Ea≤100KJ/mol
B.
Ea≥100KJ/mol
C.
无法判断
D.
Ea<100KJ/mol
【多选题】借贷记账法下,“资产=负债+所有者权益”是( )的依据。
A.
全部账户的期初借方余额合计=全部账户的期初贷方余额合计
B.
全部账户的期末借方余额合计=全部账户的期末贷方余额合计
C.
全部账户的期初贷方余额合计+全部账户本期贷方发生额合计=全部账户的期末贷方余额合计
【判断题】Sam should not head south, but north.
A.
正确
B.
错误
【简答题】金本位货币制度下汇率决定的基础是 ___________ ,约束汇率波动的上下限 是 _____________ 。
【单选题】某反应的反应热ΔH为-100kJ/mol,则其反应活化能
A.
必定等于或小于 100kJ/mol
B.
必定大于或等于 100kJ/mol
C.
可能小于或大于 100kJ/mol
D.
一定大于 100kJ/mol
【单选题】某反应的反应热△H为100kJ/mol,则该反应的活化能(单位:kJ/mol)为( )。
A.
必定等于或小于100
B.
必定等于或大于100
C.
可以大于或小于100
D.
只能小于100
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