题目:
S700K型电动转辙机滚珠丝杠相当于一个()的螺栓。
答案:
参考答案:直径32mm
S700K型电动转辙机滚珠丝杠相当于一个()的螺栓。
参考答案:直径32mm
根据《中华人民共和国土地管理法》,征收耕地时,每一个需要安置的农业人口的安置补助费标准,为该耕地被征收( )。
A.前5年平均年产值的6至10倍
B.前3年平均年产值的6至10倍
C.前5年平均年产值的4至6倍
D.前3年平均年产值的4至6倍
激素替代治疗妇女绝经后骨质疏松症的主要副作用是
A.有增重的倾向性
B.有脑卒中的危险性
C.有静脉出血的危险性
D.有脱发的倾向危险性
E.有增加子宫内膜病变的危险性
阅读理解。
The Peales were a famous family of American artists. Charles Willson Peale is best remembered for his
portraits of leading figures of the American Revolution. He painted portraits of Franklin and Jefferson and
over a dozen of George Washington. His life-size portrait of his sons Raphaelle and Titian was so realistic
that George Washington reportedly once tipped his hat (脱帽打招呼) to the figures in the picture.
Charles Willson Peale gave up painting in his middle age and devoted his life to the Peale seum,which he
founded in Philadelphia. The world's first popular museum of art and natural science mainly covered paintings
by Peale and his family as well as displays of animals in their natural settings Peale found the animals himself
and found a method to make the exhibits more lifelike. The museum's most popular display was the skeleton
(骷髅) of a huge,extinct elephant,which Peale unearthed on a New York farm in l801.
Three of Peale's seventeen children were also famous artists. Raphaelle Peale often painted still lives of
flowers,fruit,and cheese. His brother Rembrandt studied under his father and painted portraits of many noted
people,including one of George Washington. Another brother, Rubens Peale, painted mostly landscapes and
portraits.
James Peale, the brother of Charles Willson Peale, specialized in miniatures (小画像). His daughter Sarah
Miriam Peale was probably the first professional female portrait painter in America.
1. What is the main topic of the passage?
A. The life of Charles Willson Peale.
B. Portraits in the l8th century.
C. The Peale Museum.
D. A family of artists.
2. The author mentions in Paragraph l that Washington tipped his hat to the figures in the painting to show
that _____.
A. Charles Willson Peale's painting was very lifelike
B. Washington respected Charles Willson Peale's work
C. Washington was friendly with Raphaelle and Titian Peale
D. the painting of the two brothers was very large
3. Which of the following is NOT the child of Charles Willson Peale?
A. Titian Peale.
B. Rubens Peale.
C. Raphaelle Peale.
D. Sarah Miriam Peale.
4. The author's attitude toward the Peales is in general _____.
A. puzzling
B. exciting
C. admiring
D. disappointing
对于子宫内膜异位症,下列哪项不正确:
A.病变具有远处转移能力
B.病变具有种植侵蚀能力
C.异位子宫内膜的EGF、FGF及其受体表达明显高于正常
D.绝经后异位内膜组织可逐渐萎缩吸收
E.发病机制与子宫腺肌病基本相同
关于防火墙的功能,以下描述是错误的。
A.防火墙可以检查进出内部网的通信量
B.防火墙可以使用应用网关技术在应用层上建立协议过滤和转发功能
C.防火墙可以使用过滤技术在网络层对数据包进行选择
D.防火墙可以阻止来自内部的威胁和攻击