题目详情
题目详情:

[单项选择]对绿色植物细胞某细胞器组成成分进行分析发现A、T、C、G、U五种碱基的相对含量分别约为35%、0、20%、15%、30%,则该细胞能完成()。
A. 吸收氧气,进行有氧呼吸
B. 发出星射线,形成纺锤体
C. 结合mRNA,合成蛋白质
D. 吸收并转换光能,完成光合作用

热门试题:

[填空题]
To begin with, we are witnessing a{{U}} (31) {{/U}}explosion of "solos" — people who live{{U}} (32) {{/U}}, outside a family altogether. Between 1970 and 1978, the number of persons aged fourteen{{U}} (33) {{/U}}thirty-four who lived alone nearly tripled in the United State —{{U}} (34) {{/U}}from 1.5 million to 4.3 million. Today,{{U}} (35) {{/U}}fifth of all households in the United States consists{{U}} (36) {{/U}}a living solo.{{U}} (37) {{/U}}are all these people losers or loners, forced into the solo life. Many deliberately choose it, at least for a time. Says a legislative aide to a Seattle councilwoman, "I{{U}} (38) {{/U}}consider marriage if the right person came{{U}} (39) {{/U}}, but I would not give up my career {{U}} (40) {{/U}}it."
Looking at an older slice of the population, we find a large number of formerly married people, living on their{{U}} (41) {{/U}}and, in many eases, decidedly liking it. The growth
[单选题]发生一般D类及以上事故(不含一般D15、D21类事故),负有责任的,每件记( )分。
A.12
B.9
C.6
D.3
[单项选择]创建一个标准访问控制列表用来拒绝网络192.168.160.0到192.168.191.0内的主机,下面表达式正确的是()。
A. access-list 10 deny 192.168.160.0 255.255.240.0
B. access-list 10 deny 192.168.160.0 0.0.191.255
C. access-list 10 deny 192.168.160.0 0.0.31.255
D. access-list 10 deny 192.168.0.0 0.0.31.255
[多选题]打开与调节阀并联的旁路阀,会使可调比变( ),流量特性( )。
A.大
B.小
C.好
D.差
[单项选择]
阅读下面短文,从短文后所给各题的四个选项([A]、[B]、[C]和[D])中选出能填入相应空白处的最佳选项。
{{B}}Plugging into Electronic Databases{{/B}}

If you are looking{{U}} (36) {{/U}}information, library shelves are a good place{{U}} (37) {{/U}}. But if you need up-to-the-minute data or have specialized needs, you may{{U}} (38) {{/U}}a computerized database more useful,{{U}} (39) {{/U}}expensive, and less time consuming. A database, a file of{{U}} (40) {{/U}}on one subject or family of subjects, can be{{U}} (41) {{/U}}and maintained in a computer’s memory. The speed of the computer then enables you{{U}} (42) {{/U}}any item in this file almost instantly.
The three main types of databases are statistics, bibliographies, and full text. Statistical databases store vast{{U}} (43) {{/U}}of numerical data, such as wages and price indexes, census informati
A. for
B. by
C. in
D. as
[单选题]女性,27岁,主诉:近1个月全口牙龈增生,影响进食,有牙龈自动出血史。其最不可能的诊断是
A.艾滋病
B.牙龈纤维瘤病
C.维生素C缺乏症
D.白血病
E.妊娠期龈炎
[判断题]冷凝器中润滑油积聚会产生高压危险。
A.正确
B.错误
[多项选择]FBZL-16型轮胎式防爆装载机前、后桥由()等主要部件组成。
A. 桥壳
B. 带差速器
C. 主传动器
D. 轮边减速器
E. 轮胎
[单选题] 碳素钢换热器水压试验中规定水的温度不得小于( )℃
A.5
B.15
C.20
D.30
[单选题]王某明知购进的“999皮炎平”、“狼毒软膏”、“维达宁喷剂”等药品系假药,仍将上述药品销售给6个村的卫生所、药店,销售金额为人民币4.8万元,从中非法获利2万元。后王某主动回收部分药品并销毁。经药监部门认定,上述药品属于假药。王某的行为()。
A.构成非法行医罪
B.构成销售伪劣产品罪
C.构成销售假药罪
D.不构成犯罪
[判断题]根据《国家电网有限公司安全事故调查规程》(国家电网安监〔2020〕820号), 造成区域性电网减供负荷4%以上7%以下者属于一般电网事故(四级电网事件)。
A.正确
B.错误
[判断题]甲苯对皮肤、粘膜有刺激性,对中枢神经系统有麻醉作用。
A.正确
B.错误
[简答题]简述幼儿素质教育的实施途径和方法。
[单项选择]腰椎间盘突出症较少出现的症状是:()。
A. 腰腿痛
B. 马尾神经受损症状
C. 间歇性跛行
D. 下肢麻木
E. 患肢发凉
[判断题]用油管锚将油管下端固定,可以消除油管变形,减少冲程损失。
A.正确
B.错误
[单项选择]高温高压锅炉的给水调节系统一般采用()。
A. 单冲量调节系统
B. 三冲量调节系统
C. 串级三冲量调节系统
[简答题]
  {{U}}61)Shipbuilding industry leader South Korea suffered a slump in orders of nearly 40 per cent in the first half of this year although there was a slight recovery, in the second quarter{{/U}}, the government said on July 31. 62) {{U}}The commerce, industry and energy ministry reported the volume of orders fell 31.1 per cent in the second quarter till June. after a 46 per cent fall il! the first three months{{/U}}. South Korea entered the global shipbuilding industry in 1974. At present, five of the world’s top ten shipyards are in Korea. 63) {{U}}Korean shipbuilders have the world’s most efficient steel producer which can provide cheaper and better quality of steel products than any other steel producer{{/U}}, 64) {{U}}Korean shipyards are based in the same area, which is a vital condition for efficient operations{{/U}}. In addition, new environmental measures will increase demand for more clean energy like liquefied natural gas (LNG), which in t
[判断题]HY940N型记录仪具有监听任意通道录音的功能,监听时不影响正在进行的录音。 ( )
A.正确
B.错误
[单项选择]Questions 1 to 4 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions.
Now, listen to the conversation.


What will Roger possibly do after the reservation
A. Have a talk with the manager for a discount.
B. Organize the tourists.
C. Collect data for the travel agency.
D. Have a dinner with the manager of the Holiday Inn Hotel
[判断题]【判断题】带电断开架空线路与空载电缆线路的连接引线之前,应检查电缆所连接的开关设备状态,确认电缆不带电。
A.正确
B.错误
[判断题]按照可能发生事故的危害程度可分为一般风险和重大风险两类。( )
A.正确
B.错误
[单项选择]
New Women of the Ice Age

The status of women in a society depends in large measure on their role in the economy. The reinterpretation of the Paleolithic past centers on new views of the role of women in the food-foraging economy. Amassing critical and previously overlooked evidence from Dolni Vestonice and the neighboring site of Pavlov, researchers Olga Softer, James Adovasio, and David Hyland now propose that human survival there had little to do with men hurling spears at big-game animals. Instead, observes Softer, one of the world’s leading authorities on Ice Age hunters and gatherers and an archeologist at the University of Illinois in Champaign-Urbana, it depended largely on women, plants, and a technique of hunting previously invisible in the archeological evidence--net hunting. "This is not the image we’ve always had of Upper Paleolithic macho guys out killing animals up close and personal," Softer explains. "Net
A. evidence
B. survival
C. site
D. technique
[单选题]关于连接器的使用要求错误的有(  )。
A.连接器表面光滑,无裂纹、褶皱,边缘圆滑无毛刺,无永久性变形和活门失效等现象
B.有自锁功能的连接器应确保必须经两个以上动作才能打开,有锁止警示的连接器锁止后应能观测到警示标志
C.使用连接器时,受力点不应在连接器的活门位置
D.不应多人同时使用同一个连接器作为连接或悬挂点
[判断题]手抬机动消防泵是可用人力搬运并与轻型发动机组装的消防泵,具有重量轻、结构简单、使用维护简便、启动快、搬运和使用灵活等特点。( )
A.正确
B.错误
[单选题]《城市消防站建设标准》规定:特勤消防站兼有辖区任务的,其辖区面积( )。
A.小于普通消防站
B.与普通消防站相同
C.大于普通消防站
D.另行规定
[多项选择]自营业务内部报告的内容应包括但不限于( )。
A. 投资决策执行情况
B. 自营资产质量
C. 自营盈亏情况
D. 自营业务账户、席位情况
[单选题]银行公司信贷产品的特点不包括( )。
A.有形性
B.不可分性
C.异质性
D.动力性
[单项选择]

Industrial (21) does not just happen. Companies (22) low accident rates plan their safety programs, work hard to organize them, and (23) working to keep them (24) and active. When the work is (25) done, a (26) of accident-free operations (27) established (28) time lost due to injuries is kept (29) a minimum.
Successful safety programs may (30) greatly in the emphasis placed (31) certain aspects of the program. Some place great emphasis on mechanical guarding. Others stress safe work practices by (32) rules or (33) . (34) others depend on an emotional appeal (35) the worker. But, there are certain basic ideas that must be used in every program if maximum results are to be obtained.
There can be no question about the value of a safety program. From a financial standpoint alone, safety (36) . The (37) the injury (38) , the better the workman&r
A. at
B. in
C. on
D. with

[判断题]电流表电路中串联一个电阻时,或者在电压表的两个端钮之间并联一个电阻,对仪表本身的误差无影响,只对测量电路有影响。( )
A.正确
B.错误
[单项选择]下列不属于会计政策变更的事项有( )。
A. 计提固定资产折旧由直线法改按双倍余额递减法计算
B. 未使用、不需用固定资产由不提折旧改为计提折旧
C. 首次执行《企业会计制度》而将固定资产预计使用年限由10年改为6年
D. 固定资产由按账面价值计价改为按账面价值与可收回金额孰低计价
[单选题]属于医疗事故赔偿的,患者住院期间需要专人陪护的,其陪护费按照医疗事故发生地( )职工年平均工资计算。
A.上一年度
B.本年度
C.下一年度
D.本季度
E.上半年
[单项选择]可引起PT延长的是()。
A. 溶血性黄疸
B. 血友病
C. 特发性血小板减少性紫癜
D. 血小板无力症
E. 肝脏疾病
[简答题]粉尘采样地点应选在进风侧。( )
[单选题]下列哪项设备不属于洗消设备( )。(中)
A.消防部队装备的专用洗消车、洗消帐篷
B.军队防化部门装备的供人员洗消用的洗消车和供地面洗消用的喷洒车
C.消防水罐车、环卫洒水车
D.防爆水泵
[单项选择]关于脾中央破裂与真性脾破裂的超声鉴别诊断,以下哪项更支持后者()。
A. 脾包膜下局限性积液的无回声
B. 脾实质内的强回声结节
C. 脾体积增大,包膜及实质均正常
D. 脾包膜和实质的不连续及脾周和腹内积血暗区
E. 脾包膜模糊不清而脾内及脾周无异常回声
[判断题]团队成员应该主动协同其他成员为着共同目标作出自己的努力。
A.正确
B.错误
[单项选择]Questions 23 to 25 are based on the conversation you have just heard.
A. He can not drive.
B. He can not use the computer.
C. He lacks experience.
D. He lacks enthusiasm.

我来回答:

购买搜题卡查看答案
[会员特权] 开通VIP, 查看 全部题目答案
[会员特权] 享免全部广告特权
推荐91天
¥36.8
¥80元
31天
¥20.8
¥40元
365天
¥88.8
¥188元
请选择支付方式
  • 微信支付
  • 支付宝支付
点击支付即表示同意并接受了《购买须知》
立即支付 系统将自动为您注册账号
请使用微信扫码支付

订单号:

截图扫码使用小程序[完全免费查看答案]
请不要关闭本页面,支付完成后请点击【支付完成】按钮
  • 支付完成
  • 取消支付
恭喜您,购买搜题卡成功
重要提示:请拍照或截图保存账号密码!
我要搜题网官网:https://www.woyaosouti.com
我已记住账号密码