31 1.5 分保存

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/12 20:21:37

31 1.5 分保存
40.You should read about Pompeii before you go there.
1.Obligation 2.Advice
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IV.Choose the best answer for each of the following sentences.(15%,1 point each)
41.I________ with the dolphins in Florida last year.
A.swim
B.swam
C.swum
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42.At the end of the holiday,we________ to Vancouver,Canada.
A.fly
B.flied
C.flew
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41
43.I________ at the seals when they served dinner.
A.looked
B.was looking
C.were looking
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44.One day while he was climbing a mountain,he________ to think about his life and future.
A.began
B.was beginning
C.begins
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45.The camel________ be the primary way for desert people to move from place to place.
A.uses to
B.used
C.used to
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46.He ate sandwiches________ he made himself.
A.if
B.that
C.so that
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47.He said that the park was beautiful________ the train ride was too long.
A.but
B.unless
C.because
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4 48.The weather damages the buildings,________ it takes a long time for this to happen.
A.even if
B.although
C.which
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49.The story is about a snake________ pride almost ruined him.
A.who
B.whom
C.whose

2
B.swam
C.flew
B.was looking
A.began
C.used to
B.that
A.but
A.even if
C.whose

问题 23 5 分保存 eviews一阶差分结果如何保存从木本药用植物中分离内生菌,如果采集样品后不能立即分菌,应怎样保存,能保存多长时间? 31 2 分保存二多项选择题(共10题)31．使蛋白质胶体溶液保持稳定的因素为：蛋白质颗粒在溶液中进行布朗运动蛋英语单词填空 221 1 分保存 If no one has any (object)______,I'll decl 英语语法题 1 1 分保存 All of you can master English within 2 years 选者题11 3 分保存 She is constantly ________ pressure and it is a 1 2.5 分保存 I do not intend to follow that,because we shall h 2 分保存发达资本主义国家之间最为突出的经济矛盾是词汇语法作业11 1 分保存 You should be careful when ____ the street i 30分--请问：什么钢笔墨水字迹能长期保存而不褪色试用逻辑函数判断Sheet1中每个同学的每门功课是否均高于平均分,如果是,保存结果为TRUE,否则,保存结果为FALSE

31 1.5 分 保存

31 1.5 分保存