【单选题】In order to write stories for Smithsonian the author had to ______.
A.
crawl into black-bear dens
B.
hitch up dogsled racing teams
C.
check out the Lake Champlain “monster”
D.
canoe through the Boundary Water wilderness area of Minnesota
【判断题】NPN三极管的集电极电流是总电流,它等于发射极和基极电流之和。()
【单选题】2005年以来,人民币汇率逐步走高。关于人民币升值带来的影响,下列说法错误的是( )。
A.
人民币升值从长期有利于减少双顺差,平衡国际收支
B.
人民币逐步小幅升值,强化了市场的升值预期,短期内会有更多的投机资本流入,加剧国际收支顺差
【多选题】选词填空题提供的单词选项中,主要有哪几种词性的词?
【简答题】Mark each of the statements below either I (implied in the article) or N (not implied). For each I statement, find out the words, expressions or sentences from the text that supports your answer. The ...
【简答题】_______ 7. The author considers it normal for babies to crawl on the floor.