遇水反应的易燃固体着火时,不得用水灭火,应采用干砂、干粉灭火剂进行扑救。
参考答案:对
Man: Hey, where did you find the journal I need it, too. Woman: Right here on the shelf. Don’t worry, John. I’ll take it out on my card for both of us. Question: What does the woman mean().
A. John can share the magazine with her.
B. She wants to borrow John’s card.
C. She’ll let John use the journal first.
D. John should find another copy for himself.
沙蚕毒素类农药(杀虫双、杀虫单、杀螟丹)有哪些特点?