【多选题】下列几组浓度均为 0.2mol/L 的溶液中,具有缓冲作用的是( )
【单选题】What is the characteristic of Twitters ads?
A.
Twitter's ads are actually hidden among ordinary tweets.
B.
Twitter prefers to use big glossy images to attract people's attention.
C.
Twitter's ads are usually sponsored by big companies like Starbucks
D.
After three years' trial, Twitter has decided to change its ads style.
【单选题】初产妇,26岁,孕39周,阵发性腹痛6小时。检查:宫缩30~40秒/4~5分,胎位LOA,胎心142次/分。肛查:宫颈扩张2cm,可扪及前羊膜囊,目前最恰当的护理是( )
【单选题】When asked about the power of ads, most people agree that ads are ineffective on______.
【单选题】There are advantages and disadvantages to 21 Asian and Western educational method. For example, one advantage 22 the education in Japan is that students there learn much more math and science 23 Ameri...
【单选题】The information given by the lie detector, according to the author, is ______.
【单选题】The definition of “banner ads” is ________.
A.
large ads shown on the screen for complementary products
B.
ads that appear in the user’s e-mail
C.
ads that the user “clicks” to see
D.
small, rectangular boxes containing text and perhaps a picture
E.
ads that “pop up” on the users screen from time to time