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【多选题】
关于equals方法的说法,正确的是A.
对于字符串变量来说，使用“==”和“equals()”方法比较字符串时，其比较方法不同。“==”比较两个变量本身的值，即两个对象在内存中的首地址，而“equals()”比较字符串中所包含的内容是否相同。
B.
equals方法对于字符串来说是比较内容的，而对于非字符串来说是比较其指向的对象是否相同的。
C.
如果是基本类型比较，那么只能用==来比较，不能用equals
D.
重写equals方法的目的是定义比较对象值是否相同的规则
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【单选题】Rampart Hospital has total variable costs of 90% of total revenues and fixed costs of $50 million per year. There are 50,000 patient-days estimated for next year. What is the average daily revenue per...
A.
a. $1,000 is the average daily revenue per patient necessary to breakeven.
B.
b. $4,000 is the average daily revenue per patient necessary to breakeven.
C.
c. $250 is the average daily revenue per patient necessary to breakeven.
D.
d. $10,000 is the average daily revenue per patient necessary to breakeven.
【单选题】---- ____________ he has known the good news. ---- ______ is no wonder he is so excited.
A.
It is likely that; It
B.
It is probably that; There
C.
He is likely that; There
D.
He is possible that ; It
【单选题】The average daily volume of foreign exchange trading in all locations in 2013 was approximately equal to
A.
$5,000 billion.
B.
$100 million
C.
$15 million.
D.
$750,000 .
【简答题】韩国的饮茶与中国古代饮茶颇为相似,以( )为基本精神。A. 和、静B.清、寂C.简、真 D.雅、礼 B. :A C. 、韩国的饮茶与中国古代饮茶颇为相似,以“和”“静”为基本精神,其含义泛指（ ）A.和敬俭真 D. 和敬雅真 E. 和敬清寂D.清和寂雅
【单选题】600 out of 800 rooms have already been booked, and the revenue for the day is 72000 dollars, what is the average daily rate?
A.
90 dollars
B.
480 dollars
C.
120 dollars
D.
60 dollars
【单选题】压力容器用钢的基本要求是有较高的强度，良好的塑性、韧性、制造性能和与介质相容性，硫和磷是钢中最有害的元素，我国压力容器对硫和磷含量控制在()以下。
A.
0.2%和0.3%;
B.
0.02%和0.03%;
C.
2%和3%;
D.
0.002%和0.003%。
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