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【判断题】
抗菌药物的应用是治疗霍乱的关键
A.
正确
B.
错误
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【单选题】The "thumbs up" sign is an instinctive response to happiness.
A.
true
B.
false
【单选题】Not all countries will approve of the "thumbs up" sign as a sign of approval. In the Middle East, can you guess what the thumbs up sign means?
A.
Up yours!
B.
thumbs down
C.
Want one?
D.
Let's wrestle.
【单选题】已知下列反应及其标准平衡常数: C(s) + H 2 O(g) ↔ CO(g) + H 2 (g) K 1 Θ CO(g) + H 2 O(g) ↔ CO 2 (g) + H 2 (g) K 2 Θ C(s) + 2H 2 O(g) ↔ CO 2 (g) + 2H 2 (g) K 3 Θ C(s) + CO 2 (g)...
A.
K 3 Θ =K 1 Θ K 2 Θ
B.
K 4 Θ =K 1 Θ /K 2 Θ
C.
K 1 Θ =K 3 Θ /K 2 Θ
D.
K 2 Θ =K 3 Θ /K 4 Θ
【简答题】化学反应HC 2 O 4 – (ag)+C 6 H 5 O – (ag) === C 2 O 4 2– (ag)+C 6 H 5 OH(ag)  (1)计算反应在298.15 K时的ΔrG m Θ (298.15);  (2)当反应物的浓度皆为0.01mol·L –1 ,生成物的浓度皆为0.1mol·L –1 时,反应向哪个方向进行?  (已知H2C 2 O 4 K a2 Θ =6.4×10 –5...
【简答题】已知 K a1 Θ (H 2 C 2 O 4 ) = 5.9×10 - 2 , K a2 Θ (H 2 C 2 O 4 ) = 6.4×10 - 5 。将 30 mL 1.0 mol·L -1 H 2 C 2 O 4 溶液与 20 mL 1.0 mol·L -1 NaOH 溶液混合后,混合液的 pH = ___ 。
【简答题】资金的循环与周转过程不包括( )。 A. 供应过程 B. 生产过程 C. 销售过程 D. 分配过程
【单选题】以下哪项能最好地完成以下短文? 投资者越担心他们的钱遭受损失,他们就越要求他们的投资有较高的潜在收益。大的风险必须要被高回报的机会所抵消,这项原则是决定利率时的基本原则,并且它可以从以下事实得到说明,即
A.
进行非常有风险的投资而不用担心他们的钱遭受损失,这种能力将成功的投资者与其他人区分开来。
B.
贷款人对无担保贷款收取比用抵押品担保的贷款更高的利率。
C.
在高通货膨胀期间,银行向存款人支付的利息实际上可能低于通货膨胀率。
D.
任何时候,一个商业银行有一个期望它的所有个人借款人支付的单一利率。
【简答题】资金的循环与周转过程不包括( )。 A. 供应过程 B. 生产过程 C. 销售过程 D. 分配过程
【多选题】Many people all over the world use their bodies as well as their voices to communicate. Two very common examples are the thumbs-up sign, to mean "OK", "fine" or "good" and the thumbs-down gesture to m...
A.
This is exemplified by thumbs-up sign, to mean "OK", "fine" or "good" and the thumbs-down gesture to mean the opposite.
B.
For example, thumbs-up sign means "OK", "fine" or "good" and the thumbs-down gesture has  the opposite meaning.
C.
Thumbs-up to mean "OK", "fine" or "good" and the thumbs-down gesture to mean the opposite.
D.
I would like to illustrate the point with the examples of thumbs-up sign, to mean "OK", "fine" or "good" and the thumbs-down gesture to mean the opposite.
【单选题】Like in the USA, the thumbs up sign is an affirmative sign in this European nation. Which country is this?
A.
San Marino
B.
Vanuatu
C.
Laos
D.
Germany
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