下列变化不属化学变化的是（ ） A．光合作用 B．食物腐败 C．活性炭吸附 D．

建设单位应按规定将批准概算中所确定的铁路建设工程安全作业环境及安全施工措施费用，按()拨付施工企业，不得挪作他用。

A.工程承包合同约定

B.工程进度

C.开工时一次性

D.工程验收合格后

根据对话意思和所给首字母，写出完整正确的单词

A: Hello, what can I do for you?

B: I want to buy a (1) p______________ for my mother because Mother's Day is coming.

A: There are many (2) c______________ scarves here. I'm sure your mother will like them.

B: Great! … How much is it? It's very beautiful. And purple is her (3) f______________.

A: It costs ￥90.

B: Oh, it's too expensive. Do you have a (4) c______________ one?

A: What about this blue one? It's only ￥50. And blue can (5) m____________ any other colour.

B: I agree. OK. I'll take it.

只发展几种核心业务，如只负责产品的设计和销售，而让外部的协作厂家负责制造等，从而形成一个个独立的业务单元，可以根据市场竞争的需要，随时添加或去除，而不必背上众多工厂、车间和其他机构的包袱的管理模式是（）

A．扁平化管理

B．模块化管理

C．集中式管理

D．强化式管理

脑垂体瘤压迫出现的典型视野缺损为

A．左侧同侧偏盲

B．双颞侧偏盲

C．下侧偏盲

D．右侧同侧偏盲

E．双鼻侧偏盲

Your vessel is damaged and listing to port. There is a short rolling period around the angle of list. The portside freeboard is reduced to 1 foot. There is no trim and the weather is calm. You should FIRST（）.

A.press up a slack double bottom tank on the port side

B.fill an empty centerline double bottom tank

C.pump out a slack marine portable tank located on the portside amidships

D.jettison the anchors and anchor cables