把一根长1米,底面直径2分米的圆柱形钢材截成2段,表面积增加了多少平方分米?

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问题:

把一根长1米,底面直径2分米的圆柱形钢材截成2段,表面积增加了多少平方分米?

考点:圆柱的表面积圆柱的体积
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下列各项中,除哪项外均是健脾丸(《证治准绳》)的组成药物( )

A.黄连甘草
B.神曲陈皮
C.人参白茯苓
D.白术木香
E.半夏黄芪

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辅助视图常见的有剖视图、斜视图和旋转视图。()

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词组翻译。

1. 我更喜欢和我有些共同之处的人.

    I'd prefer someone who I ______ something _____ _______ with.

2. 自从大学毕业后他就失去了老同学的音讯.

    He has _______ ________ of his old classmates since graduation from college.

3. 坚持你已经制定的计划,你最终会成功的.

   ________ _______ the plan you've made and you'll succeed in the end.

4. 正当开车下班回家的时候,我发现自己被困在交通阻塞中了.

    While I was driving home from work, I found that I ______ ________ ______ the traffic jam.

5. 我们的钱马上就用光了,所以不得不推迟家庭旅行计划.

   We are _________ _______ _____ money so we have to put off our family travel plan.

6. 昨晚一伙劫匪闯入他家,偷走了一大笔钱和他的信用卡.

   A bunch of robbers ________ ______ his house last night and stole a large sum of money and his credit card.

7. 成千上万座建筑物在汶川地震中沦为废墟.

   Thousands of buildings _______ ______ _______ in Wenchuan Earthquake.

8. 麦克不是故意打碎窗户,这纯属意外.

   Mike didn't break the window _______ ________; it was completely an accident.

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压力容器的焊接接头应在焊接完成后立即进行无损检测。

题型:填空题

EFI中,燃油压力调节器的作用是保持()和()压差一定。

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