“Didyouseewhothedriverwas?”“No,soquickly______thatIcouldn'tgetagoodlookathisface.”
A. didthecarspeedby
B. thecarspedby
C. doesthecarspeedby
D. thecarspeedsby
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Solittle_____witheachotherthattheneighbouringcountriescouldnotsettletheirdifferences.
A. theyagreed
B. agreedthey
C. didtheyagree
D. theydidagree
_____,Ihaveneverseenanyonewho’sascapableasJohn.
AslongasIhavetraveled
B. NowthatIhavetraveledsomuch
C. MuchasIhavetraveled
D. AsIhavetraveledsomuch
_____,youcan'tlifttheheavyboxup.
A. Evenyou'restrong
B. Strongasyouare
C. Howstrongyouare
D. Asyou'restrong
中性线的作用是( )。
A. 保证负载侧的线电压对称
B. 保证负载侧的相电压对称
C. 保证负载侧的线电流对称
D. 保证负载侧的相电流对称