皮皮学,免费搜题
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【简答题】
You will listen to a recording from the radio programme called "BBC Take away English". Please listen carefully and write down the missing words to complete the passage. And this passage is useful for you to further understand "Gap Year" which also appeared in our text. Most students in the UK leave school or ____1____ at the age of 18 and go to study for three years in a University, but in recent years many students have chosen to take a one-year break between finishing school and starting university. This period is called a _____2_____ and is a time when British students can ______3____ by visiting foreign countries. Tens of thousands of gap-year travellers leave Britain every year, with Australia as the most popular destination. While some volunteer for ____4______ in developing countries, others will enjoy _____5_____ or simply backpack through many countries. Many other gap year travellers _____6_____ at teaching English to the locals in the countries they visit. Students who take a gap year often say the experience helps them get a better _____7_____ on the world and broadens their ____8______ .. An important part of any gap year is learning about the culture and society of other peoples. It can be very important to learn about _____9_____ in order to avoid a ____10______ , such as when Westerners wear clothes that are seen as unacceptable in more _____11_____ . Developments in communications technology mean it is easier than ever to _____12_____ with friends and family at home. Many gap year students maintain a ____13______ or upload their snaps to ____14______ so that others can see their adventures. China is becoming an increasingly popular destination for British students. Gap year programmes in China might include ____15______ in Chinese schools, learning kung fu or even teaching English. Who knows? Perhaps you’ll meet some British gap year travellers in your home town soon. Don't forget to practice your English with them!
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【单选题】未来超声造影剂的发展方向是
A.
靶向造影剂
B.
纳米靶向造影剂
C.
携带基因的造影剂
D.
具有治疗作用的造影剂
E.
以上均是
【单选题】用直径小于红细胞的超声造影剂行左心腔超声造影,下述错误的是
A.
从末梢静脉注入造影剂,经腔静脉进入右心
B.
造影剂进入右心后通过肺循环
C.
造影剂经过肺循环由肺静脉进入左心房、左心室
D.
经外周动脉注入造影剂
E.
经末梢静脉注入造影剂,通过肺毛细血管网从静脉回右心
【单选题】关于汽车行驶的驱动条件,正确的说法是( )
A.
驱动条件是汽车行驶的充分条件
B.
驱动条件是指汽车的牵引力必须大于或等于各行驶阻力之和
C.
驱动条件是指汽车的牵引力必须小于或等于各行驶阻力之和
D.
驱动条件是指汽车的驱动力小于或等于轮胎与路面之间的附着力
【单选题】关于应用微泡型超声造影剂进行心脏超声造影,错误的选项是
A.
造影剂从外周静脉经腔静脉进入右心
B.
造影剂进入右心后通过肺循环
C.
造影剂通过肺循环经肺静脉进入左心腔
D.
造影剂经外周动脉注入
E.
造影剂经外周静脉注入
【多选题】关于汽车行驶的附着条件,正确的说法有
A.
. 附着条件是汽车行驶的充分条件
B.
. 附着条件是汽车行驶的必要条件
C.
. 附着条件是汽车行驶的充分和必要条件
D.
. 附着条件是指牵引力不小于驱动轮与路面的附着力
E.
. 附着条件是指牵引力不大于驱动轮与路面的附着力
【单选题】目前临床使用的超声造影剂是()。
A.
帮助无创测定心内压
B.
血池造影剂,主要通过增强显示血管分布、灌注过程,帮助超声诊断
C.
通过组织定征成像,帮助肿瘤的超声诊断以及完成造影剂携带治疗药物进行治疗等作用
D.
以上各项均是
【单选题】教师语言风格是教师在教育教育中对于语言文字的理解和运用水平的重要表征,是提升( )的需要。
A.
学生学习兴趣
B.
学生学习效果
C.
教师综合素养
D.
教师教育教学能力
【单选题】不是细管 冻精上标注的信息是 : ( )
A.
种公牛的品种
B.
生产 日期
C.
产地
D.
性别
【单选题】教师语言风格是教师在教育教学中对于语言文字的理解和运用水平的重要表征,是提升( )的需要。
A.
学生学习兴趣
B.
学生学习效果
C.
教师综合素养
D.
教师教育教学能力
【单选题】增强超声造影效果,采用间歇式成像,其原理是
A.
超声探头间断发射,增加造影剂聚积量
B.
造影剂产生谐振
C.
造影剂一次谐振被接收
D.
用药物使血流加速
E.
增加超声发射频率
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