MBA联考 | 每日一练 | 202200307

数学练习

  请选择一个选项

  请选择一个选项

逻辑练习

所有种类的毛虫都产生一种同样的称为“幼年荷尔蒙”的激素。这种激素维持了进食的行为。只有当毛虫生长到可以化蛹的大小时，一种特殊的酶才会阻止幼年荷尔蒙的产生。这种酶可以被合成，一旦被未成熟的毛虫吸收，就可以通过阻止毛虫进食而杀死它们。

    

下面哪个，如果正确，最强有力地支持了这种观点，即通过向农田喷射上文中提到的酶来消灭经历毛虫阶段的农业害虫是不可取的？

英语练习

        考研核心单词

 

 例句：A change in the money supply brings a  corresponding change in expenditure.

 

例句：She is a very discerning art critic.

例句1：She viewed the findings with a critical eye.

例句2：We are at a critical time in history.

例句：Economic prosperity depends critically on an open world trading system.

例句：His behavior called forth sharp criticism.

What is special about man’s brain, compared with that of the monkey, is the complex system which enables a child to connect the sight and feel of, say, a toy-bear with the sound pattern "toy-bear".