离开吸收塔的工艺气中的二氧化碳浓度会随着吸收塔内的压力增高而()。
A.增高
B.降低
C.不变化
D.先降后增
参考答案:B
—Did you enjoy yourself last weekend, Tom?
—Yes, as you know, ______ birthday party went on in _____ most pleasant atmosphere.
A.the; the
B.a; the
C.the; a
D.a; a
工程造价咨询企业资质有效期为()年.
A.2
B.5
C.3
D.4