纯林最大的缺点是()。A、容易造成地力衰退 B、不易管理 C、造林麻烦 D、抗旱性差

题型:单项选择题

问题:

纯林最大的缺点是()。

A、容易造成地力衰退

B、不易管理

C、造林麻烦

D、抗旱性差

考点:造林工考试造林工考试题库
题型:单项选择题

请根据首字母及汉语提示完成下列句子,每空只填一个单词。

小题1:We hope we can reach the market through different c____________( 渠道).

小题2:The police said that the shooting was an isolated i_________ (事件 )

小题3:If you want to see Dr Lee, you have to make an a__________(预约)first.

小题4:For the past 30 years, e________ (经济) growth in China has lifted millions of people out of poverty

小题5:Alexander Hamilton f_______ (坚定地) believed that no country could become a modern nation without industry

小题6:As we all know, Canada, like the USA and Australia, is a m____________ (多文化的 ) country.

小题7:It often strikes adults, leaving them u    (不能)to work.

小题8:President Abraham Lincoln wrote the address at the White House , p______ (润色) it at this home in Gettysburg,and then delivered it at a battlefield in Gettysburg.

小题9:Now, as wages rise, Chinese citizens are i_________ (越来越,更加) worried about the environment and pollution.

小题10:Effective treatments do exist, but u_________ (不幸地) they are very expensive.

小题11:As teenagers, we should all learn to be i___________ (独立)。

小题12:Hundreds of thousands of children become i______ (感染) with the AIDS virus every year.

小题13:Two amphibious ships, the U.S.S.Germantown and U.S.S. Ashland, can deliver tons of s_______ (必需品,物质), personnel, and equipment to remote beaches in otherwise unreachable areas.

小题14:The researchers found that people driving pricey cars were less likely to stop for people trying to walk across the street and were more likely to i_____ (忽视) traffic laws.

小题15:When students are first starting out as future physicians, they learn that it's important to e_____(建立)a relationship with their patients and to be able to communicate effectively.

题型:单项选择题

李鸿章自称:“招商轮船,实为开办洋务四十年来最得手文字。”1875年招商局在外商联手压价相通的恶劣形势下赢利15万余两;I876年赢利3万余两……这说明(    )

A.洋务运动促进了中国资本主义迅速发展

B.洋务派官办企业管理落后、贪污盛行

C.洋务运动是封建统治者一次失败的自救运动

D.洋务运动对外国经济势力扩张有一定抵制作用

题型:单项选择题

URL地址中的http是指()

A.文件传输协议

B.超文本传输协议

C.计算机主机名

D.TCP/IP协议

题型:单项选择题

如图所示,一向右开口的汽缸放置在水平地面上,活塞可无摩擦移动且不漏气,汽缸中间位置有小挡板.初始时,外界大气压P0,活塞紧压小挡板处,现缓慢升高缸内气体温度,则如图所示的PT图象能正确反应缸内气体压强变化情况的是(    )

题型:单项选择题

患者女,64岁,乏力、腹胀、厌食2年,查体:肝病面容,巩膜轻度黄染,结膜苍白,胸前有数枚蜘蛛痣,有肝掌,腹膨隆,全腹无明显压痛及反跳痛,肝肋下未触及,脾肋下3cm,移动性浊音阳性,双下肢压陷性水肿。

腹水患者给予利尿剂长期口服,临床上经常用下列哪种利尿药效果最好()

A.呋塞米60mg,螺内酯20mg

B.呋塞米20mg,螺内酯60mg

C.氢氯噻嗪20mg,螺内酯60mg

D.氢氯噻嗪60mg,螺内酯20mg

E.呋塞米20mg,氢氯噻嗪60mg

F.呋塞米60mg,氢氯噻嗪20mg

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