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【多选题】
伺服系统的主要特点()。A.
精度高。
B.
精确的检测装置。
C.
有多种反馈比较原理与方法。
D.
高性能伺服电动机。
E.
宽调速范围的速度调节系统。
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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】—I _________ his telephone number. —I have his number, but I _________ to bring my phone book.”A
A.
30. —I _________ his telephone number. —I have his number, but I _________ to bring my phone book.” A．forget, forget
B.
forgot, forgot
C.
forgot, forget
D.
forget, forgot
【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
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