轮船、鸭子能漂在水面上,这是因为它们受到了水的______作用.在水中下沉的物体

题型:填空题

问题:

轮船、鸭子能漂在水面上,这是因为它们受到了水的______作用.在水中下沉的物体______(填“受到”或“不受”)这个力.

考点:浮力产生的原因
题型:填空题
Directions: For each blank in the following passage there are four words or phrases marked A, B, C and D. Fill in each bank with the word or phrase that best fits the context.
As Christmas drew near, Ursula was faced with just that problem. She had come to live in an American home and learn English.  50 , she would mind the children and do anything she was asked.
One of her tasks was to keep track of   51 Christmas presents. Ursula did this faithfully, but she became increasingly worried. What could she buy for her   52 with the little money she had that would compare with the gifts she was recording daily?  53 ,even without any of the gifts , her employer seems to have everything.
Ursula _ 54 _ long and hard. On Christmas Eve, she went to a store. She moved slowly through crowds of shoppers,   55 things in her mind. Finally she bought a baby dress. She immediately called   56  . “Excuse me, please, can you help me find a poor family with a baby?”  “A poor family?” said the   57  driver. “Yes, a very poor family.” Ursula told the man of what she was trying to do. He   58 in silence, and then said, “I know a family who   59 just about everything.”

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When they reached a   60 the driver said, “They live on the third floor.” Ursula shook her head, “Would you take this dress to them and tell them it’s from someone …someone who has everything.”

Early the next day, Ursula   61 everyone for the presents she received. Then, she began to      62  why there seemed to be none from her. She told about what she did the night before. When she finished, there was a long   63 . “You see,” she added, “I try to do a kindness in your   64 . And this is my Christmas present to you.”
50. A. In return         B. As a result             C. By the way           D. In a sense
51. A. delivering        B. mailing                 C. arriving                D. sending
52. A. American family B. own family       C. friends                 D. classmates
53. A. Otherwise       B. Therefore             C. Besides                D. However
54. A. talked             B. worked                C. waited                 D. thought
55. A. selecting         B. matching              C. remembering        D. organizing
56. A. a shop            B. a taxi                   C. her employer        D. her parents
57. A. delighted        B. anxious                 C. surprised              D. respectful
58. A. noticed           B. listened                C. got out                 D. carried on
59. A. buys               B. has                      C. uses                     D. needs
60. A. garage            B. building               C. station                 D. yard
61. A. thanked          B. encouraged           C. praised                 D. admired
62. A. settle              B. repeat                  C. argue                   D. explain
63. A. delay              B. silence                 C. time                    D. break
64. A. case               B. opinion                C. memory               D. name
题型:填空题

其中一本古经脉学著作的名称是:

A.《卫生针灸玄机秘要》《针灸问对》
B.《铜人腧穴针灸图经》《十四经发挥》
C.《阴阳十一脉灸经》《足臂十一脉灸经》
D.《针灸聚英》《针灸资生经》
E.《针灸大成》《神应经》

题型:填空题

如果发现一个好产品或者一个大市场,就应该立即跟进;在跟进中发现现有产品的缺陷,然后通过创新弥补缺陷,超越对手,实现后来者居上。当然,创新的目标是创造,而不是简单模仿。因此,创造性模仿者需要通过对他人创意的了解,重新组合、改良而产生具有不同功能与价值的新东西。事实上,所有的产品,除了第一代是原创的,以后的进步都是通过创造性模仿来实现的。
这段文字旨在说明______。

A.创造性模仿是改良产品的主要途径
B.通过不断的改善就能得到新的产品
C.创新来源于对现有产品缺陷的弥补
D.大部分产品都是通过模仿来完成的

题型:填空题

预应力张拉完成后,必须在()小时内完成孔道压浆。

A.24

B.16

C.32

题型:填空题

小企业授信业务调查时限为()工作日,从受理业务开始到调查完成递交审查审批部门为止。

A、三个

B、五个

C、七个

D、十五个

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