On no account ____ ever leave the baby at home alone.
A
【句意】你决不应该把小孩一个人放在家里。
【难点】onnoaccount意为“决不”属否定意义的词,引导倒装句,所以只有A)项正确。
Thereis______littleinformationabouthimthatwehave______muchdifficultyfindinghim.
The____ofAIDShasledtoanexpansioninresearchseekingacure.
Physicsisthepresentdayequivalentof____usedtobecallednaturalphilosophy,from____mostofpresentdaysciencearose.