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【单选题】
恒容时,为使N2(g)+3H2(g)⇌2NH3(g) △H=-92.2kJ/mol平衡向左移动,可以( )。A.
降低温度
B.
增加压力
C.
加入负催化剂
D.
升高温度
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反馈参考答案：
举一反三
【单选题】The Total Base Number (TBN) value of diesel engine lube oil refers to its ability to .
A.
resist changes in viscosity with changes in temperature
B.
resist emulsification
C.
neutralize acids
D.
resist oxidation at high temperatures
【单选题】患者，女，26岁，已婚。月经周期正常，经期延长，可达10～12天，量多，于月经第5天取子宫内膜检查，仍能见到呈分泌反应的内膜，首先应考虑的诊断是（）
A.
子宫内膜脱落不全
B.
黄体功能不足型功血
C.
无排卵型功血
D.
子宫内膜炎性出血
E.
甲状腺功能亢进
【单选题】A stock had a price at the beginning of the year of $100 and was selling for $108 at the end of the year. If the total shareholder rate of return was 10%, the cash dividend per share must have been ( ...
A.
$8
B.
$2
C.
$10
D.
$0
【单选题】A stock had a price at the beginning of the year of $100 and was selling for $108 at the end of the year. If the total shareholder rate of return was 10%, the cash dividend per share must have been ( ...
A.
$8
B.
$2
C.
$10
D.
$50
【单选题】Building this road will ______ the construction of ten bridges, and then the total cost reaches million US dollars.
A.
evolve
B.
involve
C.
revolve
D.
devolve
【简答题】Le mystère est total.
C'est un mystère .
【单选题】女，26岁，近3月月经周期缩短。妇科检查示无生殖器管器质性病变。基础体温双向性。子宫内膜活检示分泌反应落后三日。诊断为'排卵性月经失调'。下列不用于治疗的是
A.
小剂量雌激素
B.
氯米芬
C.
HCG
D.
复方口服避孕药
E.
黄体酮
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