使用过的加氢裂化催化剂卸出后应如何保存,为什么?

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问题:

使用过的加氢裂化催化剂卸出后应如何保存,为什么?

考点:化工总控工考试化工总控工考试题库
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上颌窦呈锥形空腔,其尖指向()

A.额突

B.颧突

C.牙槽突

D.腭突

E.鼻腔

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第II卷 (共35分)

第四部分:写作

第一节:单词拼写(共10题,每题1分,满分10分)

根据下列句子及所给单词的首字母,在答题纸上按题号写出各单词正确的完全形式。

(每空限写一词)

66. The most important thing to keep in mind when dealing with an emergency is to stay c_____.

77. Without international c___________(合作), developing countries cannot prosper.

78. In 2002, 8000,000 children under 15 became i__________(感染) with HIV.

79. AIDS patients not only have to suffer from the disease but to d________ with peoples’ fear of the disease.

80. The most important problem for humans to solve is how we can c________(继续) developing the world without damaging the environment.

81. Better education will be able to help people build a better society in h_________ with nature.

82. Rice is grow in China, Japan and other A ____________(亚洲) countries.

83. G__________ speaking, American English and British English are almost the same.

84. First aid is the science of giving m________ care before a doctor can be found.

85. Much to her s_______(惊奇), she failed to pass the final examination though she studied very hard

题型:问答题 简答题

甜豌豆的紫花对白花是一对相对性状,由非同源染色体上的两对基因共同控制,只有当同时存在两个显性基因(A和B)时,花中的紫色素才能合成。下列说法中,正确的是

A.一种性状只能由一种基因控制

B.基因在控制生物体的性状上是互不干扰的

C.每种性状都是由两个基因控制的

D.基因之间存在着相互作用

题型:问答题 简答题

看图填空。根据图片内容补全对话。

1. —_____ is he?

    —He _____ Xiao Ming.

2. —Is she _____ Japan?

   —No, she _____.

3. —_____ are they from?

   —They are from _____.

4. —What's _____ QQ number?

     —_____ QQ number is 158141028.

5. —_____ she Jane?

    —_____, she is.

题型:问答题 简答题

下列关于防火墙的说法中,正确的是

A.防火墙显示内部IP地址及网络机构的细节

B.防火墙一般应放置在公共网络的入口

C.防火墙不提供虚拟专用网(VPN)功能

D.以上都不对

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