更多"[单选题] ________she has saved a lot, "的相关试题:
[单选题]分布式电源并网点电压 0.5UN≤U＜0.85UN（UN 为分布式电源并网点
的电网标称电压）时，电网电压异常时的最大分闸时间( )
A.不超过 0.2 秒
B.不超过 2.0 秒
C.连续运行
D.不超过 0.2 秒
[单选题]While she TV,she a sound outside the rooM.
A.was watching:was hearing
B. watched;was hearing
C. watched;heard
D. was watching;heard
[判断题]智能电能表规定的电压工作范围为0.9Un～1.1Un。
A.正确
B.错误
[填空题]分、合闸电磁铁启动电压试验,分闸( )%Un可靠不动作,( )%Un可靠动作;合闸( )%Un可靠动作。
[单选题]进行避雷器直流参考电压(Un mA)及在0.75 Un mA泄漏电流测量时，泄漏电流测试线应使用（），测试线与避雷器夹角应尽量大。
A.铜丝
B.铁丝
C.屏蔽线
D.低压电缆线
[单选题] She had to ________ so that she could be heard by her parentS.
A. call up
B. call out
C. point up
D. point out
[单选题]分布式电源并网点电压 U＜0.5UN（UN 为分布式电源并网点的电网标
称电压）时，电网电压异常时的最大分闸时间( )
A.不超过 0.2 秒
B.不超过 2.0 秒
C.连续运行
D.不超过 0.2 秒
[单选题] That restaurant places a lot of emphasis on the quality of food provided.
A. 那家饭馆地理位置特别好。
B. 那家饭馆十分重视菜肴的发货地。
C. 那家饭馆十分重视菜肴的质量。
[多选题]SHE的含义是（ ）。
A.安规
B.安全
C.环境
D.健康
E.环保
[单选题] There___a lot of sugar in the ja
A. has
B.are
C.is
D. were
[单选题]As a small business, we place a lot of emphasis______customer serviceS.
A.in
B.on
C. for
D. with
[单选题] - Nancy is not coming tonighT. But she !
A. Promises
B. promised
C. will promise
D. had promised
[单选题]How beautifully she sings! l have never heard_____.
A. the better voice
B. a good voice
C. the best voice
D. a better voice
[单选题]It was four days later that she remembered having left her dictionary in the library.()。
A.4天后,在图书馆她才想起忘了拿字典。
B. 过了4天她才想起把字典忘在图书馆了。
C.过了4天她才想起把字典放到图书馆。
[单选题]《危险化学品名录》中的UN号是指( )。
A. 中国危险化学品编号
B. 联合国危险货物编号
C. 美国危险货物编号
