皮皮学，免费搜题
登录
搜题
【单选题】
下列不属于动物的信息交流方式的有（）A.
蜜蜂舞蹈动作
B.
孔雀开屏
C.
乌贼受威胁释放墨汁
D.
人类的表情
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】下列有关现代科技的说法中，正确的是：
A.
高温超导体是指其超导临界温度在摄氏零度以上
B.
纳米材料是指结构单元的尺度达到纳米级而原有性能保持不变的材料
C.
杂交水稻是通过基因重组改变水稻的基因来提高产量的
D.
转基因食品是指转移动植物的基因并加以改变、制造出具备新特征的食品
【单选题】A little girl from a small village was blessed with a happy childhood, _____ people would like to have .
A.
the
B.
/
C.
one
D.
those
【单选题】A doctor, together with two nurses,_____sent to the mountain village.
A.
have
B.
have been
C.
has
D.
has been
【简答题】有字符串数据” test ” 分别存放到 char(10) 和 varchar2(10) 类型的字段中,其实际存储长度为 ( ) A. 10 4 B. 4 4 C. 10 10 D. 4 10
【简答题】适应的涵义
【单选题】It was the third time that she_____ to this mountain village to see the children. [ ]
A.
had come
B.
has come
C.
came
D.
would come
【单选题】Peking Man ______ in Zhoukoudian village, on the Longgu Mountain, Fangshan district, Beijing. [ ]
A.
has discovered
B.
was discovered
C.
is discovered
D.
will discover
【单选题】As no one in the small village knew nothing about Medicine, Mrs. Smith, a former nurse, had to work as a doctor.
A.
knew
B.
nothing
C.
had to
D.
as
相关题目：