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【单选题】
采用超前校正对系统抗噪声干扰能力的影响是（ ）A.
能力上升
B.
能力下降
C.
能力不变
D.
能力不定
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【简答题】用所给词的适当形式填空，每空一词。 1. Mrs Liu is _________ (outgoing) than Mrs Gao. 2. Lucy and Lily are ___________ (twin). 3. Xie Ying is _________ (calm) girl in Class 11. 4. Li Ming is as _________ (wild) as ...
【简答题】用所给词的适当形式填空。 1. Today is her _______ (eight) birthday. 2. This is _______ (Lucy) mother. 3. Let's _______ (watch) TV. 4. That _______ (sound) good. 5. Do you _______ (have)a basketball ?
【简答题】用所给词的适当形式填空。 1. You are never too old _______ (learn). 2. Lucy always spends her free time _______ (play) computer s. 3. Who is _______ (tall), Jim or Tom? 4. Don't forget _______ (buy) some books...
【简答题】用所给词的适当形式填空。 1. Excuse ______ (I) , is this your eraser? 2. Lucy and Lily have two new ______ (watch). 3. Look! A set of keys ______ (be) under the bed. 4. A baseball is in the ______ (lose) and fo...
【多选题】理论空燃比:当1kg( )(AB中选择)和14.7kg的( )(CD中选择)混合时,空气的氧正好可以和燃油完全燃烧,这时的空燃比为14.7:1,我们称之为理论空燃比。
A.
燃油
B.
空气
C.
燃 油
D.
空 气
【简答题】用所给词的适当形式填空 Lucy is a ________ girl.She can dance ________.(beautiful)
【简答题】用所给词的适当形式填空 ( 10 分) The girl under the tree is a friend of______________ . (Lucy)
【简答题】词形转换。 用所给词的适当形式填空。 1. Lucy often goes ________(skate). 2. There is __________(hard) any rain these days, so the weather is very dry. 3. He is good at all subjects because he has a good studying ______...
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