问题 名词解释

离心

答案

参考答案:

是利用离心机旋转时产生的强大离心力对大小、形状和密度不同的混合物进行分离的一种方法。

选择题
完形填空

根据下列每小题的意思或要求用适当的单词、短语或句式的合适形式完成每个小题,使每句话句意完整(共13小题满分25分,每小题2分,但第7小题1分 )

【题文1】The             of the Olympics is “           , Higher and Stronger.”

【题文2】What he said was very ___   ____(有说服力的) and at last we all              (接受)his idea.

【题文3】She looks like a           girl, but in fact she is not the proper person to             (可信赖).

【题文4】We are all looking forward to                                             (游览紫禁城).

【题文5】作为对我的帮助的回报,他送给我一个青花瓷瓶。

                    my help, he gave me                                  .

【题文6】He was involved in a bank robbery and                                 (被判处终生监禁).

【题文7】Don’t call me between 12 o’clock and 13 o’clock,                   I’m usually having lunch.

【题文8】单句改错:Suffered from loneliness in the lonely house, Ann had to learn to like there.

【题文9】                       (众所周知),America is a developed country               (属于)the First World.

【题文10】He said, “Let’s go to the pictures.” 改成间接引语

                                      .

【题文11】用定语从句及devote翻译: 伟人是把自己的一生致力于帮助别人的人。

                                                                               

【题文12】One of the rules for the Olympic Games is “ No smoking                 (允许). If you are discovered, you                          (罚款)”

【题文13】翻译:当前,两国正在打仗, 所以大批军队已被派往前线作战。