有两份硫酸溶液，根据下表信息，回答有关问题：

（2）取等质量两份溶液混合，则所得混合液中溶质的质量分数ω₃=______．

（3）若有ω₁＞ω₂，取等体积的两份溶液混合，设所得混合液中溶质的质量分数为ω₄，试比较ω₃、ω₄的相对大小？______．

Our starboard derrick boom of hatch No.4 is badly cracked（）that it has become entirely useless.

A.at its goose neck to such a extent

B.at it's goose neck to such an extent

C.at it's goose neck for such a extent

D.at its goose neck to such an extent