【单选题】The new road is __________ of the old one.
A.
more than three times the length
B.
three times more than the length
D.
more three times than the length
【单选题】菌阴性肺结核的特点是()
A.
多见于少年儿童,症状轻微,结核菌素试验强阳性,X线胸片表现为哑铃型阴影
B.
起病急,持续高热,中毒症状严重,X线胸片:双上中肺野为主的大小不等,密度不同和分布不均的粟粒状或结节状阴影
【单选题】()负责接收和保管所管辖范围应当永久和长期保存的工程档案盒有关资料。
【简答题】A.More than six thousand million. B.More than two thousand million. C.More than one thousand million. D.More than three thousand million.
【单选题】炉膛负压摆动大,瞬时负压到最大,一、二次风压不正常降低,水位瞬时下降,汽压、汽温下降,该现象说明()。
【单选题】More than one student _____been sent to Japan since 1990. More than one hundred students ______been sent to Japan since 1990.