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【简答题】
黄铜是铜和锌的合金，其中铜的含量是68%．一块黄铜里含锌16千克，这块黄铜中含铜多少千克？
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】以下属于投资活动产生的现金流量的是( )。
A.
购建固定资产、无形资产和其他长期资产支付的现金
B.
吸收投资收到的现金
C.
分配股利、利润或偿付利息支付的现金
D.
偿还债务支付的现金
【单选题】(177~178题共用题干)男性,39岁,近期出现上腹不适、乏力。就医发现AFP>500μg/L,B超检查结果为正常肝脏声像图,查体未见异常。为明确定位诊断最优选的检查为
A.
反复B超检查
B.
肝脏CT检查
C.
肝脏MRI检查
D.
放射性核素肝显像
E.
X线肝血管造影
【单选题】According to the author, writing ______.
A.
is basically a self-taught occupation and no instructions on how to deal with it are of any practical use
B.
is a 'trial and error' process and it does not count whether you have the gift for writing or not
C.
for a living is the most difficult and risky of all careers, full of frustration and discouragement
D.
sometimes provides good hopes of winning public praise and escaping humiliating poverty
【单选题】Writing being largely a self-taught occupation, texts on how to get about it—though great in number—seldom are of much use. You try, and fail. Then try again, and perhaps fail not quite so grievously....
A.
the difficulties and risks of making a career of words
B.
the futility of instructions contained in writing manuals
C.
the autobiography of the 19th century English novelist Anthony Trollope
D.
some sound advice provided in Anthony. Trollope's autobiography
【单选题】The author's main purpose in writing this article is to ______.
A.
explain that self-control is the key to success
B.
teach people how to control everything in order to make a great success
C.
distinguish all kinds of self-control and suggest ways for it
D.
advise people not to lose temper so as to make and keep more friends
相关题目：
【单选题】以下属于投资活动产生的现金流量的是( )。
A.
购建固定资产、无形资产和其他长期资产支付的现金
B.
吸收投资收到的现金
C.
分配股利、利润或偿付利息支付的现金
D.
偿还债务支付的现金