【单选题】某教师在“血液循环的动力来自心脏”的教学中,列举了以下数字:安静时,成年人心脏平均每分钟收缩 75 次,每次收缩输出血约为 70 毫升,每分钟输出血约 5250 毫升。这样,一个健康人的心脏在 24 小时内做的功,可以把 32 吨重的物体提高 0.33 米。这属于下列哪一种讲解类型( )
【多选题】Listen to the dialogue and pick out from the following the advice given by Emily.(多选)
A.
Andrew should open an online retail shop.
B.
Andrew should try every effort to get new customers.
C.
Keeping old customers can increase the profit of the business.
D.
Communicating with old customers is a good way to reduce marketing cost.
E.
Andrew should increase investment in marketing.
F.
Old customers’ loyalty can bring new customers.
G.
Customers will probably buy new products if Andrew offers some.
【单选题】关于遗产规划的说法错误的是()。
B.
遗产计划应当在将财产留个继承人的时候尽可能的满足自己的意愿
【单选题】Americans believe that they can realize their personal values only ______.
A.
when given equality of opportunity
B.
through doing business
C.
by protecting their individual freedom
【单选题】To reduce customers’ complaints, we are not supposed to:
C.
Avoid difficult clients
【单选题】The paragraph 5 is aimed to illustrate _______.
A.
that such plans can reduce the size of risk pools
B.
insurers will tell monitor users related information
C.
data collecting and monitoring can help drivers crash less
D.
data collecting and monitoring can help insurers modify customers’ behaviour
【单选题】Given $100 000 to invest, what is the expected risk premium in dollars of investing in equities versus risk-free T-bills(U.S. Treasury bills) based on the following table?______.
【判断题】20 钢比 60 钢的硬度更小,强度更大。