皮皮学,免费搜题
登录
搜题
【判断题】
以1和2表示的性别是一个定性数据
A.
正确
B.
错误
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
【简答题】A.Its colors. B.Its texture. C.Its sales. D.Its taste.
【单选题】What is Valencia famous for?
A.
Its seaport
B.
Its university
C.
Its churches and museums
D.
Its parks and gardens
【单选题】The clock has three hands _________.
A.
at its face
B.
on its face
C.
from its face
D.
in its face
【单选题】一对能满足齿廓啮合基本定律的齿廓曲线称为()
A.
齿轮线
B.
齿廓线
C.
渐开线
D.
共轭齿廓
【单选题】Much to our regret, they failed to _____ that the market was beginning to sag.
A.
note
B.
notice
C.
notify
D.
aware
【单选题】凡能满足齿廓啮合基本定律的一对齿廓曲线称为()
A.
相关齿廓
B.
共轭齿廓
C.
共线齿廓
D.
关联齿廓
【简答题】A. Its population B. Its development C. Its location D. Its history
【简答题】A.Its habit. B.Its genes. C.Its mental state. D.Its physical condition.
【单选题】有关艾滋病的病因及流行现状,下列哪项是不正确的()
A.
艾滋病是1981年才被认识的一种性传播疾病
B.
是由人类免疫缺陷病毒感染引起
C.
HIV属于DNA逆转录病毒
D.
目前分离出来的HIV有HIV-1及HIV-2两型
E.
我国第一例艾滋病病例是于1985年发现
【简答题】A.Its eyes. B.Its face. C.Its wings. D.Its tail.
相关题目: