按照要求，我国船舶的应油污应急演习至少在（）时间内进行一次。
A.一周
B.一个月
C.一航次
D.一季度
参考答案：B
读短文，填写表格。
Welcome to watch English morning news. Here is the program for this
morning. At ten o'clock it's the Morning News. Then at ten thirty we have
Beijing Today. At eleven o'clock, it is the Music Time. Then again at
twelve o'clock it's the China News. After that it's the Cartoon Show for
today at twelve thirty!
1. _____ Morning News
10:30 2._____
3._____ Music Time
4._____ 5._____
6._____ Cartoon Show
2005年CPR和ECC指南中关于肾上腺素和血管加压素，下列哪个说法是正确的（）？
A.沿无资料表明血管加压素是有效的
B.CPR时血管加压素可代替第一次或第二次肾上腺素
C.推荐使用的血管加压素剂量为10u
D.血管加压素使用剂量越大，心肺复苏成功率越高
