Libraries
A: fieldofWriting
B: spellingoftitles
C: spellingofwriters"names
D: alloftheabove
A: fieldofWriting
B: spellingoftitles
C: spellingofwriters"names
D: alloftheabove
举一反三
- There are two kinds of DNA libraries, they are _____ libraries and _____ libraries。
- He______invaintomakehiswifehappy. A: endeavored B: madeendeavor C: triedtheendeavor D: alloftheabove
- Whentakingactiontoavoidcollision，youshould（）. A: Makesuretheactionistakeninenoughtime B: Notmakeanylargecoursechanges C: Notmakeanylargespeedchanges D: Alloftheabove
- Beforeenteringthechainlocker，youshould（）. A: havesomeonestandingby B: makesurethereissufficientairwithinthelocker C: de-energizethewindlass D: Alloftheabove
- TherearemanygoodChinesegiftsmentionedinthislecture，suchas______. A: Chineseknotandthechina B: silkandpainting C: calligraphy D: alloftheabove