皮皮学,免费搜题
登录
搜题
【判断题】
建议旅行者出境前及时到各地国际旅行卫生保健中心接种相关疫苗,通常两剂减毒活疫苗的接种间隔至少为2。
A.
正确
B.
错误
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】第二语言教学“认知法”的语言学理论基础是( )。
A.
结构主义语言学
B.
功能主义
C.
行为主义
D.
唯心主义
【单选题】听力原文: Junk food, too little exercise and an increasingly sedentary life style, all well-known factors in the spiraling problem of childhood obesity in Britain. The causes are clear, but the government...
A.
Junk food.
B.
Too little exercise.
C.
An increasingly sedentary life style.
D.
All the above.
【单选题】Once people wore garlic around their necks to ward off disease. Today, most Americans would scoff at the idea of wearing a necklace of garlic cloves to enhance their well-being.However,you might find ...
A.
Alternative medicine is now a big business in the United States with more Americans seeking it out than ever before.
B.
Today,it is not unusual for mainstream doctors to incorporate alternative therapies into their practice.
C.
Over the last few decades,alternative medicine has become more popular,accepted, and practiced in the United States.
D.
People are tired of conventional medicine’s focus on technology.
【单选题】在相同的条件下,多次测量同一量值时,误差的绝对值及符号都是不定的,次种误差称()误差。
A.
随机
B.
可变
C.
无规律
D.
偶然
【单选题】在相同条件下多次测量同一量时,随机误差的 :
A.
绝对值和符号均发生变化
B.
绝对值发生变化,符号保持恒定
C.
符号发生变化,绝对值保持恒定
D.
绝对值和符号均保持恒定
【单选题】His wife thought Christopher suddenly quit his job because he______.
A.
couldn't wait to get promoted
B.
had experience in interior design
C.
wanted to do something he enjoyed
D.
couldn't bear the pressure from his job
【简答题】阅读下列材料,回答问题。 克隆牛“蓓蓓”是我国成功繁殖的首例和第二例胎儿皮肤上皮细胞克隆牛“康康”和“双双”的后代。我国研究人员首先对“康康”和“双双”进行了超数排卵处理,之后,从“双双”体内采集到13枚符合国际胚胎移植标准的可用胚胎(这是国际上首次对体细胞克隆牛进行超数排卵处理实验并获得可用胚胎)。研究人员将这些标准胚胎经过玻璃化超快速冷冻处理后,移植到中国黑白花奶牛“梨花”的子宫内,结果获得妊...
【简答题】我国采用国际标准或国外先进标准的方式通常有[填空(1)]、[填空(2)]和[填空(3)]
【简答题】在相同的条件下多次测量同一值时,误差绝对值和符号以不同的方式变化着的误差称为 。
【简答题】【问题2】 ITU组织接纳的3G国际标准之一的TD-SCDMA标准,已于2006年作为我国通信行业标准。 TD-SCDMA标准以其技术的先进性和系统的开放性,吸引了国内外通信行业的高度关注和广泛参与。随着3G技术商用化的深入,TD-SCDMA也逐渐开始步入实用化、民用化阶段。请用100字以内的文字简要列举出TD-SCDMA技术采用了哪些多址接入技术
相关题目: