一些仿琥珀的塑料放入重液后可能被()所以尽量不要使用。
参考答案:软化
女性不孕的特殊检查不包括()
A.BBT
B.子宫输卵管造影
C.B超
D.胸部CT
E.性激素测定
— I ____ to your birthday party last Sunday.
— Unfortunately, you were out on business.
A.had come
B.came
C.would come
D.would have come