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【单选题】
塑料、合成橡胶和合成纤维这三大合成材料，都主要是以石油、煤和天然气为原料生产的，下列有关说法错误的是（ ）。A.
天然气作为化工原料主要用于合成氨和生产甲醇
B.
煤可以直接液化，煤与氢气作用生成液体燃料
C.
煤是以单质碳为主的复杂混合物，干馏时单质碳与混合的物质发生化学变化
D.
聚乙烯塑料的主要成分聚乙烯是由乙烯通过聚合反应制得的
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【简答题】请从以下的单词中选择正确的单词填空。 a . spells b. marketers c . afford d. defines e . s ynonym f.targeted g. be accessed h. getting 1. Forest Deli and his brother are successful _____________ of furniture. 2. The lack...
【单选题】Which one is true about identifying the first step according to the article?
A.
We can make the cost of effort feel even smaller if we link that small step to something we’re actually looking forward to doing.
B.
Tie the task that we’re avoiding to something that we’re not avoiding.
C.
Sometimes we find ourselves returning to a task repeatedly, still unwilling to take the first step.
D.
Achieve that small goal, and you’ll feel more motivated to take the next small step than if you’d continued to beat yourself up about your lack of language skills.
【单选题】Imagine a child standing on a diving board four feet high and asking himself the question: “ Should I jump? This is what motivation or the lack of it can do. Motivation and goal setting are the two si...
A.
This can affect your work.
B.
So how should you motivate yourself?
C.
However, this should not discourage you.
D.
So why should we try to set specific goals?
E.
They can change according to circumstances.
F.
Motivation is what you need most to do a good job.
G.
Without motivation you can neither set a goal nor reach it
【单选题】听力原文：What's your hobby? (8)
A.
I like reading books.
B.
I'm a student.
C.
I often go to school by bike.
【简答题】利用直观的图像和表格来说明设计意图，这是（）的设计方法。
【单选题】 Nina's persuasive speech contained the following statement: The lack of a national law requiring seat belts on school buses is a serious problem in the United States. Last year alone, 437 children w...
A.
practicality
B.
need
C.
satisfaction
D.
plan
E.
visualization
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