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【简答题】
Replace the underlined part of each sentence with a word or phrase in the box. Change the form when necessary. 以下内容请填写单词, 单词拼写错误、字母大写、加标点符号等,均不得分 。 barely chilly appointment pale strike keen enlarge outline gaz e exclaim 1. Please close the window, because it is cold here. 2. Her face became colourless, and she looked as if she might faint. 3. The gallery is seeking to increase its modern art collection. 4. I am very tired, because I hardly slept last night. 5. “Here comes the ice cream truck!” shouted the children. 6. I cannot make it to your party this weekend, because I have a prior engagement . 7. Dogs have a(n) sharp sense of smell. 8. Natalia walked onto the balcony to stare at the beautiful sunset. 9. I have not read the book. Can you summarize its plot for me? 10. It is not appropriate for you to hit your sister, even if you are very angry at her.
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【判断题】零点偏移是工件零点W与机床零点M之间的距离。
A.
正确
B.
错误
【单选题】在分子生物学发展史上,开启现代分子生物学发展的里程碑式事件是
A.
连锁遗传规律的发现
B.
DNA被证明是遗传物质
C.
发现核酸可分为DNA和RNA
D.
DNA双螺旋结构模型的提出
【判断题】1953年,美国生物学家沃森和英国物理学家克里克通过X射线衍射分析,提出DNA分子结构的双螺旋模型,这是遗传学发展史上一个重大的转折点,由此使遗传学进入了分子遗传学时代。
A.
正确
B.
错误
【单选题】某线性表最常用的操作是在尾元素之后插入一个元素和删除尾元素,则采用什么存储方式最节省运算时间( )
A.
单链表
B.
循环单链表
C.
双链表
D.
循环双链表
【判断题】木勺子可用来搅拌面粉或各式酱、馅及配料。
A.
正确
B.
错误
【单选题】. ______ understanding the challenges faced by the world’s poorest people can we expect a new future free of extreme poverty and hunger.
A.
On
B.
Through
C.
Only
D.
Only by
【单选题】Faced with the prevalence of GM crops, organic farmers
A.
have sought new certifications for their GM-free products.
B.
can do nothing to stop their crops from being polluted by GM factors.
C.
can get huge profits by selling their GM-free goods.
D.
have done a lot to safeguard their GM-free goods.
【单选题】_____________ est le sommet(最高峰) de la France.
A.
Le Mont Blanc
B.
le Massif Central
C.
le Jura
【单选题】A student of the 20th century is faced with a new situation because_______.
A.
he has to learn entirely on his own
B.
he can never be a master now
C.
science grows very fast
D.
he is changing all the time
【单选题】某线性表最常用的操作是在尾元素之后插入一个元素和删除尾元素,则采用 存储方式最节省运算时间。
A.
单链表
B.
循环单链表
C.
双链表
D.
循环双链表
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