【单选题】【消耗次数：1】
____ the math problem is difficult, Ill try very hard to work it out.
①
Though
②
When
③
Before
④
After
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【多选题】
No matter how ______ the problem is , we will work it out.
①
A.easy
②
B.difficult
③
C.challenging
④
D.hard
【单选题】
Susan is not very intelligent, ________ work very hard.
①
not does she
②
neither does she
③
or does she
④
either does she
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After several years of hard work, he ______ pass the entrance exam.
①
could
②
can
③
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④
was able to
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Before I left on the trip,I [填空]hard and got very fit.
①
had trained
②
trained
③
train
④
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【单选题】
Theyre trying to ( ) this math problem.
①
figure up
②
figure on
③
figure out
④
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When Sarah and I ____ on an article for the school newspaper, we found it difficult to work together.
①
compiled
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gathered
③
collaborated
④
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I don’t think you can work out the maths problem ___ her help.
①
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②
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随机题目
【单选题】
某公司生产甲产品的预算资料为：产量50000件，耗用材料50000千克，材料总成本为100000元。实际执行结果是：产量50000件，耗用材料45000千克，材料实际单位成本2.1元/千克。则材料价格差异和数量差异分别是（）。
①
4500元（不利差异）10000元（有利差异）
②
5000元（有利差异）10500元（不利差异）
③
5000元（不利差异）10500元（有利差异）
④
10000元（有利差异）4500元（不利差异）