皮皮学,免费搜题
登录
搜题
【判断题】
LTE TDD中支持不同的上下行时间配比,上下行时间比不总是“1:1”,可以根据不同的业务类型,调整上下行时间配比,以满足上下行非对称的业务需求。
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
【单选题】Dogs are often praised for their _______; they almost never abandon their masters.
A.
truthfulness
B.
loyalty
C.
trust
D.
faith
【单选题】Cats and dogs often have dreamless sleep.
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】革兰氏染色时最好选择处于( )的微生物细胞进行染色
A.
A延迟期
B.
B对数期
C.
C稳定期
D.
D衰亡期
【单选题】The scientist's work was based on _______.
A.
occasional observations
B.
systematic observations
C.
observations of several nests
D.
observations of undisturbed nests
【简答题】Dogs are often praised for their ________; they almost never abandon their s. A) faith B) loyalty C) trust D) truthfulness
【单选题】Dogs are often praised for their ______ they almost never abandon their masters.
A.
faith
B.
loyalty
C.
trust
D.
truthfulness
【单选题】We notice this ____ true very often with dogs and cats.
A.
to be
B.
be
C.
being
D.
to being
【单选题】当温度降低时,植物体内有机物的运输速率会( )。
A.
变快
B.
变慢
C.
不变
D.
先变快然后变慢
【简答题】如图所示为滚子式对心直动从动件盘形凸轮机构。已知:圆盘半径 mm,偏心距 mm,滚子半径 mm。要求: (1)标出图示位置机构的压力角 ; (2)试计算或在图上作图标出从动件的升程h; (3)在图上标出推程角 和回程角 ; (4)确定凸轮的基圆半径r b ; (5)在图上画出凸轮的理论轮廓曲线。
【单选题】下列说法错误的是( )。
A.
当楼房突然发生火灾时,首先要强令自己保持镇静,切不可惊惶失措,以免做出错误的决断
B.
逃生的路线要注意,朝有照明或明亮处迅速撤离
C.
着火时,若在楼梯上,往下往上跑都可以
D.
着火时,若被火档住,通过窗口或阳台等往外逃生
相关题目: