【简答题】小明绕操场跑一圈5分钟,妈妈绕操场跑一圈用3分钟. (1)如果小明和妈妈从同一起点同时同向出发,几分钟后两人再次同时到达起点?此时妈妈和小明各跑了几圈? (2)如果小明和妈妈从同一起点同时同向出发,几分钟后妈妈第一次追上小明? (3)如果小明和妈妈从同一起点同时反向出发,几分钟后两人第四次相遇?
【简答题】Since communication is difficult, every word or group of words in this message will be sent twice. ____
【判断题】在我国,国家最高权力机关是全国人民代表大会,最高立法机关是最高法院。( )
【多选题】Often people who hold higher positions in a given group overestimate their performance, while people in the lowest levels of the group underestimate theirs- While this may not always be true, it does ...
A.
If people have confidence in their own performance, they will achieve high positions in a group.
B.
If we let people know they are an important part of a group, they will probably become more self-confident.
C.
People who hold low positions in a group often overestimate their performance.
D.
People in positions of power in a group may feel they do better work than they really do.
E.
People with higher positions in a group do better work than other group members.
【判断题】“The bird out of the group will be shot”(枪打出头鸟)。This proverb is used to describe the collectivism.
【简答题】____means "since communication is difficult, every word or group of words in this message will be sent twice".
【简答题】在我国,每年的全国人民代表大会召开时,国务院、最高人民法院、最高人民检察院都要向报告工作。这是因为( ) A.这些国家机关没有任何权力 B.这些国家机关都是国家的最高权力机关 C.由其他中央国家机关产生 D.全国人民代表大会地位最高,权力最大
【简答题】根据对控制载波的参数不同,调制可以分为 三种基本方式