Also, the device must be able to inform the outside world that it is running low on chemicals; once again this might be accomplished by a transponder setup.
举一反三
- Once lost _____. A: it is hard to get such a chance again B: to get such a chance will be difficult C: one can never get such a chance again D: such a chance might never come again
- Flight attendants must be able to communicate ( ) passengers and they are also expected to speak several languages.
- The clock has stopped. I ________ get it go again and set the alarm, or I will be late again tomorrow. A: could B: might C: would D: must
- What might be the cause for her illness A: Being overtired and not eating nutritious food. B: Low physical resistance. C: Staying with big crowds. D: Running her holiday.
- What caused Orpheus' heart to beat faster and faster? A: He was joyful that he would once again be able to sing B: He was joyful that his father was Apollo C: He was joyful that his mother was Calliope D: He was joyful that he would once again be reunited with his love