Whentakingactiontoavoidcollision，youshould（）.
A: Makesuretheactionistakeninenoughtime
B: Notmakeanylargecoursechanges
C: Notmakeanylargespeedchanges
D: Alloftheabove
A: Makesuretheactionistakeninenoughtime
B: Notmakeanylargecoursechanges
C: Notmakeanylargespeedchanges
D: Alloftheabove
举一反三
- Beforeenteringthechainlocker，youshould（）. A: havesomeonestandingby B: makesurethereissufficientairwithinthelocker C: de-energizethewindlass D: Alloftheabove
- Notonly__________dothework,but__________finishitontime. A: youshould;youshould B: shouldyou;shouldyou C: shouldyou;youshould D: youshould;shouldyou
- He______invaintomakehiswifehappy. A: endeavored B: madeendeavor C: triedtheendeavor D: alloftheabove
- TherearemanygoodChinesegiftsmentionedinthislecture，suchas______. A: Chineseknotandthechina B: silkandpainting C: calligraphy D: alloftheabove
- Libraries A: fieldofWriting B: spellingoftitles C: spellingofwriters"names D: alloftheabove