【简答题】连词成句。 1. English, she, Does, teach (?) ___________________________________________ 2. she, Yes, does (, .) ___________________________________________ 3. doesn't, No, she (, .) _______________________...
【简答题】听录音,补充句子。 1. ___________ your English teacher? ___________. 2. Is she ___________? No, she ___________. 3. ___________ he ___________? He's ___________ and ___________. 4. Who's that ___________ lady...
【简答题】连词成句。 1. does, Where, work, she (?) _____________________________________________________ 2. she, does, go, work, How, to (?) _____________________________________________________
【单选题】若有关系模式R(A,B),下列叙述中哪个是正确的?() Ⅰ.A→→B一定成立 Ⅱ.A→B一定成立 Ⅲ.R的规范化程度无法判定 Ⅳ.R的规范化程度达到4NF
【简答题】看图,将下列句子补充完整。 l. They were then. Now they are . 2. She was fat then. Now she is . 3. She was short then. Now she is . 4. She was four then.Now she is .
【判断题】建筑物FD可以经过主干缆线直接连至CD,TO不可以经过水平缆线直接连至BD。