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【多选题】
憎液溶胶在热力学上是不稳定的,它能够相对稳定存在的重要因素有A.
胶粒带电
B.
布朗运动
C.
溶剂化作用
D.
沉降平衡
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举一反三
【简答题】在我国，设立国际旅行社注册资本不得少于（）万。
【简答题】Listening Exercise 3 Listen to the following words and underline the primary stress of each word. Example: soft ware Sun day 1. blueprint 2. driveway 3. motorboat 4. textbook 5. beefsteak 6. notebook ...
【简答题】My dear brothers and sisters: The unexpected earthquake attacked you today last year, my dear friends. Actually it hit every Chinese because we are in the same , sharing the same sky. Though we are no...
【简答题】Underline the words in the sentences that the speakers stress. A couple of years ago, I decided that I wanted to work in the hotel industry. So that's why I've been doing a hotel-management course for...
【简答题】Listening Exercise 4 Listen to the following conversations. Write the information in the appropriate box in the table. Conversation A serves as an example. Then listen to it again for the sentence str...
【简答题】Listen to these phrases. Underline the stressed syllables. Then match each one to a phrase with the same stress pattern in A. busy vacation narrow harbor 3. high cliffs
【单选题】Aunt Lucy said, ‘Dear me, ’ because she was ______ .
A.
angry
B.
Surprised
C.
tired
D.
pleased
【单选题】It is five years since my dear aunt _______ here.
A.
left
B.
has left
C.
is left
D.
had left
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