【单选题】Which of the following is a communicative activity?
A.
Listening to the news report and talking about an event.
B.
Listening to the news report and filling in a form.
C.
Listening to the news report and writing the main idea.
D.
Transferring the information from the news report into a chart.
【简答题】强烈酸水解法水解强心苷,其主要产物是()。
【简答题】袋中有大小相同的若干个小球,分别为红色、黑色、黄色、绿色,从中任取一个球,已知得到红球的概率是 1 3 ,得到黑球或黄球的概率是 5 12 ,得到黄球或绿球的概率也是 5 12 ,试求得到黑球、得到黄球、得到绿球的概率各是多少?
【单选题】强烈酸水解法水解强心苷,其主要产物是 ( )
【单选题】test 1 news report 短篇新闻Test 1.mp3:
【简答题】袋中有12个小球,分别为红球,黑球、黄球、绿球,从中任取1球,得到红球的概率是1/3,得到黑球或黄球的概率是5/12,则得到绿球的概率是
【简答题】袋中有12个小球,分别为红球、黑球、黄球、绿球,从中任取一球,已知得到红球的概率是 ,得到黑球或黄球的概率是 ,得到黄球或绿球的概率也是 ,试求得到黑球、黄球、绿球的概率分别是多少?
【单选题】在用碘量法测定清洁水样中溶解氧时,是以( )为指示剂,用硫代硫酸钠标准溶液滴定释放出的碘,计算出溶解氧含量。
【简答题】Henry’s news report covering the conference was so _____ that nothing had been omitted. A. understanding B. comprehensible C. comprehensive D. understandable
【单选题】No one can stop news _______.
B.
to be report c, from reporting D. being reported