【简答题】请找出下列各句中的错误并加以改正。 1. This is the factory where we visited last week. __________________________________________________________________ 2. This is the watch for which Tom is looking. _________________...
【单选题】在弹性元件中,弹簧管属于 ,其作用是
B.
弹性支承元件/用于产生与输入压力成比例的位移
D.
弹性敏感元件/用于产生与输入压力成比例的位移
【简答题】根据句意,用括号内所给单词的适当形式填空。 1. Would you mind _____ (teach) me English? 2. Shall I ____ (clean)the door now, mom? 3. Many students teach _____ (them)on the Internet now. 4. David Beckham is my favorite __...
【判断题】在仪表中,弹簧管的作用是把被控量的给定值转变成位移信号。
【单选题】We visited the small village ______ in the south of the lake.
【简答题】Oct.12, 2014 Dear Sirs, We had visited the Guangzhou Fair in Oct 2014, and got your catalogue. We need the following Item: Men ’ s Shirts, style No : WX201309, small size, button down collar, long sle...
【单选题】在弹性元件中,弹簧管是属于?其作用是?
B.
弹性支承元件,用于产生与输入压力成比例的位移
D.
弹性敏感元件,用于产生与输入压力成比例的位移
【单选题】依据凯恩斯宏观经济学理论,“基本的心理定律......是,通常或平均而言,人们倾向于随着他们收入的增加而增加其消费,但没有收入增加的那么多”,这就意味着建立计量经济学模型 , 其中 是消费支出, 是可支配收入,则 的取值范围应该是( )
【简答题】Fill in the blanks with the suitable prepositions or adverbs.(填写适当的介词或者副词,使句子完整) 1. They arrived ________ a small village before dark. 2. The teacher put up a picture ________ the wall. 3. We visited ...