【多选题】当 Servlet 容器初始化一个 Servlet 时,要完成哪些操作?
B.
把Servlet类的.class文件中的数据加载到内存中
F.
调用Servlet对象的Service()方法
【多选题】当Servlet容器初始化一个Servlet时,要完成哪些操作?
B.
把Servlet类的.class文件中的数据加载到内存中
F.
调用Servlet对象的service()方法
【单选题】关于老年肺康复的重要性说法正确的是
A.
老年肺部疾病病程长、复发率高,严重影响患者生活质量
B.
肺康复能帮助老年患者减少症状,从而达到治愈疾病的作用
C.
肺康复不能帮助食管切除手术的患者缩短住院时间
【判断题】1—1岁半以前随天性,想尿就尿,看到他们尿湿或弄脏裤子,不应有意识地告诉他“宝宝尿了”
【单选题】Which of the following are generally TRUE of bonds?
A.
A bond's return equals the yield to maturity when the time to maturity is the same as the holding period.
B.
A rise in interest rates is associated with a fall in bond prices, resulting in capital gains on bonds whose terms to maturity are longer than the holding periods.
C.
The longer a bond's maturity, the smaller is the size of the price change associated with an interest rate change.
D.
Prices and returns for short-term bonds are more volatile than those for longer-term bonds.
【单选题】The duration of a coupon bond increases
A.
the longer is the bond's term to maturity.
B.
when interest rates increase.
C.
the higher the coupon rate on the bond.
D.
the higher the bond price.