船舶航行中如何正确使用C站的自动扫描功能？

若函数y=f(x) (x∈R)满足：f(x+2)=f(x)，且x∈[–1, 1]时，f(x) =" |" x |，函数y=g(x)是定义在R上的奇函数，且x∈(0, +∞)时，g(x) =" log" ₃ x，则函数y=f(x)的图像与函数y=g(x)的图像的交点个数为_______．

Software engineering is the science and art of specifying, designing, implementing, and (66) with economy, timeliness and elegance, programs, (67) and operating procedures whereby computers can be made useful to humanity.

This definition implicitly sets (68) the basic goal of software engineering research and development: The basic goal of software engineering is to facilitate specification, design, implementation and evolution of programs, documentation and operating (69) which are useful to humanity in an economic, (70) and elegant manner (using the appropriate science and art).

（67）处填（）。

A．documents

B．data

C．documentation

D．media

意象是如何生成的？

一碳单位的生理功能是（）

A.糖原合酶的辅酶

B.核酸合成的原料

C.参与脂肪酸分解

D.转氨酶的辅酶

E.参与尿素生成

重症肌无力禁用的药物是（）

A.氢氯噻嗪

B.糖皮质激素

C.麻黄碱

D.环磷酰胺

E.氨基糖苷类抗生素