【单选题】听力原文: How people first learned to invent words is unknown in other words, the origin of language is a mystery. All we really know is that people, unlike animals, somehow invented certain sounds to exp...
A.
The origin of language is a legend handed down from the past.
B.
The origin of language is a matter that is hidden or secret.
C.
The origin of language is a question difficult to answer.
D.
The origin of language is a problem not yet solved.
【单选题】下列各组离子不能用过量氨水分离的是 ( )。
【简答题】04-61. Mr. Wells, together with all the members of his family, ____ for Europe this afternoon. (1.0分)A. A. are to leave B. B. are leaving C. C. is leaving D. D. leave
【单选题】听力原文: (32) How men first learnt to invent words is unknown, in other words, the origin of language is a mystery. All we really know is that men, unlike animals, (33) somehow invented certain sounds to...
A.
A legend handed down from the past.
B.
A matter that is hidden or secret.
C.
A question difficult to answer.
D.
A problem not yet solved.
【简答题】周日,已经六年级的小明与父母一同到公园游玩,见公园里有人设了一个游戏摊位,游客只需抛掷一枚正方体的骰子,如果出现6点,就可以获得价值10元~15元的精美动漫书籍一册,每抛掷一次骰子需要付1元,小明看到很多小朋友喜欢那些书籍,都在投掷,不禁停下了脚步在摊位前仔细观察起来,并记录了小朋友的中奖情况: 参与投掷的小朋友 投掷次数 中奖次数 1 25 2 2 28 1 3 10 0 4 20 1 5 14...
【单选题】听力原文:Q: Which floor is the flat on? (15)
【单选题】04-61. Mr. Wells, together with all the members of his family, ____ for Europe this afternoon.
【单选题】听力原文: How men first learnt to invent words is unknown, in other words, the origin of language is a mystery. All we really know is that men, unlike animals, somehow invented certain sounds to express t...
A.
A legend handed down from the past.
B.
A matter that is hidden or secret.
C.
A question difficult to answer.
D.
A problem not yet solved.