D On May 23,1989, Stefania Follini came out from a cave at Carlsbad , New Mexico. She hadn’t seen the sun for eighteen and a half weeks . Stefania was in a research program, and the scientists in the program were studying body rhythms (节奏)。In this experiment Stefania had spent 130 days in a cave ,30 feet in depth.During her time in the cave, Stefania had been completely alone except for two white mice. Her living place had been very comfortable ,but there had been nothing to fell her the time .she’d had no clock or watches , no television or tadio. There had been NO natural light and the temperature had always been kept at 21℃Stefania stayed in the cave for a long time because___________.

Fire protection and manning regulations for towing vessels state that the Master or person in charge must ensure that all crew members who have not participated in the drills or received the safety orientation（）.

The drive motor will have a brake arranged to fail-safe, ieit will （） the load if power fails or machine is stopped.

In case of your steering gear failed，（）should be exhibited in shapes or lights.

In case of your steering gear failed,（）should be exhibited in shapes or lights.

Who are happier, modern people or people in the past?  

According to Paragraph 3,who is the final victim of spam? 【 】

According to Paragraph 3,who is the final victim of spam?

– I failed in the final exam.  –  

下面程序的执行结果是______。 public class ex27 { public static void main(String[] args) { try { return; } finally { System. out. print in ( "Finally" ); } }

______ would happen if your mother knew you failed the final examination?

Finally， they return the to the people who bought shares in the company.（）