子实体阶段如果光照不足，子实体的颜色会变（）。

当伤员从被长时间埋压的废墟中抢救出来时有些事项需要特别注意。请问：在以下三个注意事项中哪个是不正确的？

A、立即进行紧急救治

B、情绪不可过分激动

C、大量补充饮食

将下列各段按照正确的顺序重新排序，使文章通顺。

A． Parents who know what’s going on in their teenagers’ lives are in the best position to help them. To break down the wall of silence, parents should create chances to understand what their children want to say, and try to find ways to talk and write to them.

B． Before age 11, children like to tell their parents what’s on their minds. “In fact, parents are first on the list.” Said Michael Riera, author of Uncommon Sense for parents with Teenagers. “This completely changes during the teen years.” Riera explained. “They talk to their friends first, then maybe their teachers, and their parents last.”

C．And they must give their children a mental break, for children also need freedom, though young. Another thing parents should remember is that to be a friend, not a manager, with their children is a better way to know them.

D．Tina and Mark noticed similar changes in their 14-year-old daughter. “She used to sit in my arms on the sofa and talk with me,”said Mark. “Now we joke that she does this only when she wants something. Sometimes she wants to be treated like a little girl and sometimes like a young lady. The problem is figuring out which time is which.”E. Parents often believe that they have a good relationship with their teenagers. But last summer, Joanna and Henry noticed a change in their older son: Suddenly he seemed to be talking far more to his friends than to his parents. “The door to his room is always shut,” Joanna noted.

简述《宪法重大信条十九条》与《钦定宪法大纲》在国家权力结构的规定方面有何差异。

卖方出口一批体育用品，成交价为CIF目的港USD20000，卖方与买方在买卖合同中未特别约定货物运输保险事项，卖方在中国人保（PICC）依据其海洋运输保险条款投保货物一切险，并附加战争险。保险费率分别为0.8%、0.6% ，试计算：（分别列明计算公式）

卖方依据保险惯例如何确定货物的保险金额？

MOVEMENT OF ENGINE NO LONGER REQUIRED.是对（）车令的解释。

A、STANDBYENGINE

B、SLOWASTERN

C、FULLAHEAD

D、FINISHEDWITHENGINE