镜头的F值越大,通光量()。A.越大 B.越小 C.不变

题型:单项选择题

问题:

镜头的F值越大,通光量()。

A.越大

B.越小

C.不变

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题型:单项选择题
从框里选择填入对话相应空白处的适当选项,并在答题卡的相应位置将涂黑(10分)
 A. What’s your plan for the future?
B. How will you keep in touch with them?
C. I feel excited and sad.
D. May I ask you some questions?
E. What else would you like to say to your teachers and classmates?
 
A.  Hello, Long Yulin. I know you’re one of the best graduates.   小题1:  
B.  Yes, please.
A.  How do you feel now?
B.    小题2:  .
A.  What are you going to do before leaving school?
B.  I’m going to take some photos with my teachers and classmates, give gifts to my teachers and write best wishes to my classmates
A.  Will you miss your teachers and classmates?
B.  Sure, and I’ll remember the past three years of my school life for ever.
A.    小题3:       
B.  By sending e-mails, making telephone calls or writing letters.
A.  When are you going to have a get-together with your classmates?
B.  We’ll be back for our school’s 20th anniversary ceremony.
A.   小题4:  
B.  I’m going to be a scientist, so I’ll keep on working hard at my lessons to make my dream come true.
A.    小题5:  .
B.  First, I want to say “Thanks” to my teachers for teaching me so well. Second, I wish my teachers and classmates health, happiness and good luck. At last, I hope our school will continue to be the top in Tongren.
题型:单项选择题

下列化合物中为双糖的是()

A.甘露糖

B.葡萄糖

C.果糖

D.蔗糖

E.阿拉伯糖

题型:单项选择题

钢结构焊接主要构件,可使用间断焊接、塞焊和槽焊。

题型:单项选择题

既能燥湿健脾又能祛风散寒的药物是()

A.苍术

B.厚朴

C.豆蔻

D.草豆蔻

E.草果

题型:单项选择题

1603年,以为旅居西班牙的法国人说:“我在这里听到一个谚语:本地除白银外,所有东西都价格高昂。”之所以出现这一谚语,主要是因为西班牙()

A.贵族阶层生活奢靡

B.工商业的发展迅速

C.对殖民地疯狂掠夺

D.矿产资源十分丰富

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