企业为管理和组织生产经营活动所发生的各项费用应计入管理费用，主要包括( )等。 A

Only when        .

A．did he arrive the meeting began

B．he arrived did the meeting begin

C．did he arrive the meeting begin

D．he arrived the meeting began

室温时，在水电离出c(H⁺)=1.0×10^-14mol·L^-1的溶液中，一定能大量共存的离子组是（  ）

A．K⁺、Na⁺、HCO₃^-、Cl^-

B．K⁺、MnO₄^-、Br^-、Cl^-

C．Na⁺、Cl^-、NO₃^-、SO₄^2-

D．Al³⁺、NH₄⁺、Cl^-、SO₄^2-

证券公司从事介绍业务，应当依照规定取得（），审慎经营，并对通过其营业部开展的介绍业务实行统一管理。

A．介绍业务资格

B．证监会的书面授权

C．期货业协会的授权文件

D．期货经纪业务资格

Can animals have a sense of humor Sally Blanchard, publisher of a newsletter called the Pet Bird Report, thinks a pet parrot may have pulled her leg. That’s one explanation for the time her African gray parrot, named Bongo Marie, seemed to feign distress at the possible death of an Amazon parrot named Paco.
It happened one day when Blanchard was making Cornish game hen for dinner. As Blanchard lifted her knife, the African gray threw back its head and said. "Oh, no! Paco!" Trying not to laugh, Blanchard said, "That’s not Paco." and showed Bongo Marie that the Amazon was alive and well. Mimicking a disappointed tone. Bongo Marie said. "Oh. no." and launched into a hoarse laugh.
Was the parrot joking when it seemed to believe the other bird was a goner Did Bongo Marie comprehend Blanchard’s response Studies of African grays have shown that they can understand the meaning of words, for example, that red refers to a color, not just a particular red object. Parrots also enjoy getting a reaction out of humans, and so, whether or not Bongo Marie’s crocodile tears were intentional, the episode was thoroughly satisfying from the parrot’s point of view.

Why did Sally Blanchard believe Bongo Marie made a joke that day

A．It showed sadness and deceived her.

B．It shed crocodile tears intentionally.

C．It pretended to understand her words.

D．It burst into laughter after a distressed ton

节约里程法中，当计算出两两客户之间的节约里程后，下一步（）。

A、按节约里程大小连接客户

B、按节约里程大小安排送货顺序

C、按节约里程从大到小排序

D、按节约里程大小安排发车顺序