皮皮学，免费搜题
登录
搜题
【多选题】
内锁闭转换设备的特点有哪些（）。A.
结构简单，便于日常维护保养，且转换比较平稳
B.
道岔的两根尖轨为框架结构，整体刚性较大
C.
两根尖轨由杆件连接，当受到外力冲击时，如发生弯曲变形，则会使工作尖轨与基本轨分离
D.
当列车通过道岔产生冲击时，将会直接作用于转辙机内部使部件受损
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】简述散打运动的特点?
【简答题】涵洞是由()、()及洞口建筑组成的排水构造物。
【单选题】叙述时保持明确的倾向性是指( )。
A.
像中心思想一样明确表达出来
B.
用语言、细节、故事本身体现出来的
C.
文章的开头就直接说出来
D.
按照自然的时间顺序进行叙述
【单选题】When did people do house cleaning in the past?
A.
People used to do house cleaning on the 20 th day of the 12 th month.
B.
People used to do house cleaning on the 21 st day of the 12 th month.
C.
People used to do house cleaning on the 20 th day of the 11 th month.
D.
People used to do house cleaning on the 21 st day of the 11 th month.
【简答题】用方框里适当的句子补全对话。 a. What's his phone number? b. What's your phone number? c. What's his name? d. How are you? e. Nice to meet you! A: Hello! What's your name? B: My name's Eric. A: 1 B: Fine, thank you....
【简答题】What is the man's last name and phone number? His last name is ___________and his phone number is ______________.
【单选题】– Could you tell me his phone number? -- _______ the phone book and find it out yourself.
A.
Look up
B.
Search for
C.
Refer to
D.
Going through
【单选题】She ______his number in her phone book to ______that she had got the right number.
A.
looked for , be certain
B.
picked up , make sure
C.
picked out , be sure
D.
looked up, make sure
相关题目：