（）是一种最简单、运用最广泛的传统的进度计划方法，尽管有许多新的计划技术，其在建设领

已知∠ABC=45°，O是BC上一点，且OB=6，若以点O为圆心，r 为半径作的圆与线段BA只有一个公共点，则r的取值范围是（    ）。

通过定期拜访，帮助零售商整理货架，设计商品陈列等是间接激励中的()方法。

A．帮助经销商建立进销存报表，做安全库存数和先进先出库存管理

B．帮助零售商进行零售终端管理

C．帮助经销商管理其客户网来加强经销商的销售管理工作

D．伙伴关系管理

亚急性中毒是在（）个月较短时间内有较大剂量的毒物进入人体的中毒。

A、1－2

B、2－3

C、3－6

D、6－8

小题1:Why is June 6, 1990 a special day for Mommy?

A．Her dream of being a mother came true.

B．She found her origin from her Chinese mother.

C．She wrote the letter to her daughter.

D．Her female line was well linked.小题2:How does Mommy feel about her being given away?

A．It is bitter and disappointing.

B．It is painful but understandable.

C．She feels sorry but sympathetic.

D．She feels hurt and angry.小题3:What does “I stood out like a sore thumb” in Paragraph 5 mean?

A．I walked clumsily out of pains.

B．I was not easy to love due to jealousy.

C．I was impatient out of fear.

D．I looked different from others.小题4:What can be inferred from Mommy’s Anglo family life?

A．She used to experience an identity crisis.

B．She fought against her American identity.

C．She forgot the pains of her early years.

D．She kept her love for Asia from childhood.小题5:Why did Mommy name her daughter “Shao-ming?”

A．To match her own birth-name.

B．To brighten the lives of the family.

C．To identify her with Chinese origin.

D．To justify her pride in Chinese culture.小题6:By “Your past is more complete than mine,” Mommy means ________.

A．her past was completed earlier than Shao-ming’s

B．Shao-ming has got motherly care and a sense of roots

C．her mother didn’t comfort her the way she did Shao-ming

D．her past was spent brokenly, first in Asia, then in the US

①大量降水 ②大坝倒塌 ③植被破坏 ④灾民成群 ⑤洪水泛滥

A．③②①⑤④

B．④②①③⑤

C．④①⑤②③

D．③①②⑤④