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【简答题】
H 2 (g)和O 2 (g)在绝热钢瓶中反应生成水,W(),Q(),ΔU()。
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举一反三
【单选题】He was out of work due to the global financial crisis; he was sad and discouraged, feeling that he _ his family.
A.
failed
B.
abandoned
C.
ignored
D.
betrayed
【单选题】下列不属于氟喹诺酮类药物的药理学特性是( )
A.
抗菌谱广
B.
口服吸收好
C.
与其他药物无交叉耐药性
D.
不良反应较多
【单选题】After being on unemployment for a time due to the financial crisis, he was offered job he now holds.
A.
/; the
B.
the; a
C.
the; the
D.
a; a
【单选题】下列不属于氟喹诺酮类药物的药理学特性的是()。
A.
抗菌谱广
B.
口服吸收好
C.
与其他抗菌药物无交叉耐药性
D.
不良反应较广
E.
体内分布较广
【单选题】Many small businesses _____ due to the financial crisis.
A.
fell
B.
dropped
C.
collapsed
D.
slipped
【单选题】鸦片战争前,中英进行贸易时,中国出口的商品不包括()。
A.
丝绸
B.
茶叶
C.
瓷器
D.
餐具
【单选题】Due to the financial crisis, developing countries
A.
found export fatalism more fit to them.
B.
are having problems in export.
C.
began to keep their currencies expensive.
D.
became the certain cause of America's financial crisis.
【单选题】餐饮服务提供者委托清洗消毒餐具、饮具的,应当委托的主体包括?()
A.
食品药品监督管理部门指定的餐具、饮具集中消毒服务单位
B.
食品药品监督管理部门指定并且符合《食品安全法》规定条件的餐具、饮具集中消毒服务单位
C.
符合《食品安全法》规定条件的餐具、饮具集中消毒服务单位
D.
以上都不是
【单选题】The company has been forced to ______ 200 employees due to financial problems.
A.
dilapidate
B.
tarry
C.
sprawl
D.
jettison
【单选题】The company's profit drop _____ in the last three months of 2009 due to the financial crisis. [     ]
A.
narrowly
B.
sharply
C.
roughly D widely
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