皮皮学，免费搜题
登录
搜题
【判断题】
天然气的相对分子质量是一个固定的数值，与天然气的组成无关。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】提出绝对优势理论的经济学家是（ ）
【单选题】Which of the following, if true, raises the most serious doubts about the vice president's proposal?
A.
Studies have shown that children are an important factor in the car-buying decision for 75 percent of parents with children under 18 years of age.
B.
The financial difficulties facing the company will result in the company's declaring bankruptcy within five years if the difficulties are not addressed effectively.
C.
The company's most recent advertising campaign, focused on the theme of 'Rev up your life,' has received positive ratings from the demographic aged 18 to 29.
D.
Children are accustomed to viewing ads for car toys while watching their favorite television programs, so ads for actual cars will appeal to them.
E.
The vice president who made the proposal has only one year of experience in the automotive industry, but has spent more than 20 years in the financial services and children's entertainment industries.
【单选题】Raises are negligible, because
A.
it's very hard to get a higher raise.
B.
they don't pay for the extra hours you put into.
C.
the percentage of raise is not big enough.
【简答题】提出绝对优势理论的经济学家是（ ） A凯恩斯B克鲁格曼C亚当·斯密D大卫·李嘉图
【单选题】The results from a survey _______that studying this book twice raises one' s TOEIC score by almost 30%.
A.
refer
B.
inquire
C.
assure
D.
indicate
相关题目：