【判断题】【消耗次数：1】
阅读课文II.Which Is Stronger? 判断下列句子表述内容的正误:The central idea of the text is Persuasion is better than force.
①
正确
②
错误
参考答案：
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【判断题】
阅读课文II.Which Is Stronger? 判断正误1.The central idea of the text is Persuasion is better than force.
①
正确
②
错误
【判断题】
阅读课文II.Which Is Stronger? 判断下列句子表述内容的正误:The Sun agreed that the Wind could force the traveller to take off his coat.
①
正确
②
错误
【判断题】
阅读课文II.Which Is Stronger? 判断下列句子表述内容的正误:According to the Text, the Wind was a nice person who always had a kind word for everyone.
①
正确
②
错误
【判断题】
阅读课文II.Which Is Stronger? 判断下列句子表述内容的正误:At the beginning, the Wind thought himself very important and looked down on the Sun.
①
正确
②
错误
【判断题】
阅读课文II.Which Is Stronger? 判断下列句子表述内容的正误:Is it true a man may lead a horse to the eater but he cannot make him drink?
①
正确
②
错误
【判断题】
阅读课文II.Which Is Stronger? 判断正误2.The Sun agreed that the Wind could force the traveller to take off his coat.
①
正确
②
错误
【判断题】
阅读课文II.Which Is Stronger? 判断正误4. According to the Text, the Wind was a nice person who alwyas had a kind word for everyone.
①
正确
②
错误
【判断题】
阅读课文II.Which Is Stronger? 判断正误3. At the beginning, the Wind thought himself very important and looked down on the Sun.
①
正确
②
错误
【判断题】
阅读课文II. Television and Children,判断下列句子表述内容的正误:The negative influence of television can be avoided.
①
正确
②
错误
随机题目
【简答题】
<img src="https://huaweicloudobs.ahjxjy.cn/8F0EBAC6FF1591A98261E79CA9E38E2E.png" title="6.png" alt="6.png"/>
【简答题】
<img src="https://huaweicloudobs.ahjxjy.cn/01F9FF7127797914BCE5DA6C32515C0A.png" title="10.png" alt="10.png"/>
【单选题】
离心泵铭牌上标明的扬程m可理解为 。
①
A、该泵在规定转速下可以将20℃的水升扬的高度
②
B、该泵在规定转速、最高效率下将20℃的水升扬的高度
③
C、该泵在规定转速下对20℃的水提供的压头
④
D、该泵在规定转速、最高效率下对20℃的水提供的压头
【单选题】
将一敞口贮槽中的溶液用泵输送到另一敞口高位槽中，两槽之间的垂直距离为15m，输送管路的规格为φ108×4mm, 溶液在管内的平均流速为1.2m/s，管路摩擦系数取λ=0.02, 管路总长为130m（包括全部局部阻力的当量长度在内）。试求：（1）溶液在管内的流型；（2）泵的轴功率（已知η=60%）。（计算时, 取溶液密度为1500kg/m3，粘度为1.5cP）。
①
层流N=3.9kw
②
湍流N=3.9kw
③
层流N=2.8kw
④
湍流N=2.8kw