_______ tomorrow's lessons, Frank has no time to go out with his friends. 

 It was _______ to see the students’ excitement when they discovered that simple materials could be used to cook food under the sun and the solar cooking really attracts those creative kids.

洛伦兹曲线

下列指标不属于资本结构比率的是( )

压力总是不好的，给我们带来的都是消极的影响。

汇率：（　）

一般来说，劳动者会十分关注企业薪酬的（）两个维度，这也是薪酬体系设计的两大原则。

– ___________________________________

– Well, it is a separate department. But there are two laboratories, one at each production plant.

威尔逊担任的职务不包括（ ）

下列说法不正确的是（ ）