①吸取和滴加少量液体时,需要用____;
②用排水法收集气体时,需要用____、____;
③给物质加热时,需要用____;
④量取一定量体积的液体时,需要用____;
⑤能加热的仪器是____;能直接加热的仪器是____;加热时,应用火焰的____部分加热.
— Are these books ______ ?
— No, they are not mine. They belong to _____.