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【单选题】
The yield to maturity for a perpetuity is a useful approximation for the yield to maturity on long-term coupon bonds. It is called the ________ when approximating the yield for a coupon bond.A.
current yield
B.
discount yield
C.
future yield
D.
star yield
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举一反三
【单选题】What do we need to do to trigger our creativity?
A.
We need to travel with experienced travelers.
B.
We need to interpret the world in different ways and expand our “cognitive input”.
C.
We need to try the difference by changing cultures and experience the diversity of human traditions.
【多选题】What do we need to make a snowman?
A.
hat
B.
ballons
C.
carrot
D.
banana
E.
scarf
F.
stick
【简答题】遗传在人的身心发展中有什么作用 ?
【多选题】What do we need to do to check the validity of a research topic?
A.
Analyze the topic and try to see things in a different way.
B.
Check the assumptions we made in choosing the topic.
C.
Reexamine the existing studies to assure its originality.
D.
Consider neglected aspects over the topic.
【单选题】全站仪照准后视点的时候,应从什么部位开始照准?
A.
从对中杆根部找准目标再上移动到棱镜最左边缘
B.
从对中杆根部找准目标再上移动到棱镜最右边缘
C.
从对中杆根部找准目标再上移动到棱镜中心
D.
直接瞄准棱镜中心
【简答题】What do we need to express a protein in bacteria?
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