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【简答题】
已知函数 ,试讨论该函数的单调性 , 凹凸性。
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【多选题】She stood motionless at the end of the diving board,her hands at her sides, her heels slightly raised,every muscle anticipating action. 对该句中独立结构的理解正确的有:
A.
her hands at her sides是无动词分句独立结构
B.
her heels slightly raised是--ed分词分句独立结构
C.
every muscle anticipating action是--ing分词分句独立结构
D.
三个独立结构在句中均作状语,表伴随情况
【单选题】可诱导肝药酶活性的抗结核药是
A.
异烟肼
B.
利福平
C.
吡嗪酰胺
D.
对氨基水杨酸钠
【多选题】She stood motionless at the end of the diving board , her hands at her sides, her heels slightly raised,every muscle anticipating action. 对该句中独立结构的理解正确的有:
A.
her hands at her sides 是无动词分句独立结构
B.
her heels slightly raised 是 --ed 分词分句独立结构
C.
every muscle anticipated action 是 --ing 分词分句独立结构
D.
三个独立结构在句中均作状语,表伴随情况
【单选题】After 50 years of paying for roads, power and schools, and helping poor countries to liberalize their economies, the World Bank—the financial aim of the United Nations system—has started shifting some...
A.
focuses on basic science rather than theoretical one
B.
seems reluctant to aid some of theoretical sciences
C.
is still willing to help the third world
D.
agrees to grant scientific researches
【判断题】所谓定期调整,就是银行在规定的调整日,按企业符合贷款条件的托收凭证余额,计算出应发放的结算贷款额度,与调整前的结算贷款账户余额相比较,如果应发放的贷款额度大于结算贷款余额,应相应增加贷款,划入企业存款账户。
A.
正确
B.
错误
【简答题】符号学中,相对于外部因素而言具有结构上的独立性和自洽性,叫做 ;与独立结构有关的外部因素叫做 。
【单选题】Clemmensen还原使用的还原剂为 ( )。
A.
锌汞齐
B.
二氧化锰
C.
D.
以上都不对
【简答题】多色蜡染一般都是在蓝色染成后,请列出常用的涂色染料?
【单选题】“只有p,才Q,非p单Q”是什么条件的矛盾?
A.
否定条件
B.
充要条件
C.
充分条件
D.
必要条件
【多选题】A regression equation Y = a + bX is used to forecast the value of Y for a given value of X. Which of the following increase the reliability of the forecast?
A.
A correlation coefficient numerically close to 1
B.
Working to a higher number of decimal places of accuracy
C.
Forecasting for values of X outside the range of those used in the sample
D.
A large sample is used to calculate the regression equation
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