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问题 选择题
cos14°cos59°+sin14°sin59°的值等于（　　）
A．cos73°B．-
2
2
C．
2
2
D．
3
2
答案

cos14°cos59°+sin14°sin59°=cos（14°-59°）=cos（-45°）=cos45°=

2
2
．

故选C

单项选择题 A2型题

男婴，1岁半，因智力发育障碍，体格发育迟缓来就诊，查体：眼距宽、鼻梁低，眼外侧上斜，伸舌，四肢肌张力低下，该患儿最可能阳性的检查结果是（）

A.血T3、T4下降，TSH升高

B.尿粘多糖阳性

C.药物刺激GH释放峰值<5ng／ml

D.染色体检查异常

E.尿三氯化铁试验阳性
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单项选择题

The structure of interest rates results from all the following EXCEPT:（）

A. viewing each bond coupon payment as a separate zero coupon bond.

B. viewing a bond’s cash flows as having maturities ranging from the next coupon payment to the final payment at maturity.

C. creating the yield curve by plotting term to maturity against the coupon rate.
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