已知数列的递推公式如下：则按照递推公式可以得到数列：1，1，2，3，5，8，13，2

Ms Green teaches              English and all of              like English very much. [ ]

A. us / us

B. our / us

C. us / we

D. our / we

伤寒的主要传染源为（）。

A.伤寒患者

B.潜伏期的伤寒患者

C.恢复期的伤寒患者

D.伤寒暂时带菌者

E.伤寒慢性带菌者

大黄根茎的异常维管柬（星点）存在于（）

A.皮层中

B.韧皮部中

C.木质部中

D.髓射线中

E.髓中

在RC充电及放电电路中，怎样确定电容器上的电压初始值？

A 24-year-old primipara decides to breast-feed her baby but says, "I’m worried that I won’t be able to breast-feed my baby because my breasts are so small. " Which of the following is appropriate response by the nurse()

A. Because her breasts are small, she will have to feed the baby more often.

B. Breast size poses no influence on a woman’s ability to breast-feed a baby.

C. Breast milk can be enhanced by occasional formula feeding.

D. The woman’s motivation to breast-feed is less important than breast size.