【判断题】关系最常见的应用是2D草绘截面,零件特征、基准曲线从方程、图形特征和可变例面扫描。
【单选题】According to this advertisement, what is true about delivery?
A.
The customer doesn' t have to pay for the delivery if they buy before Sunday.
B.
Rico' s World of Sofa' s pays 10% of delivery fee for the customers.
C.
Delivery is always free.
D.
Only someone who purchases over $ 1,000, gets free delivery.
【简答题】听力原文:What is true about family lifestyle. patterns now? What is true about family lifestyle. patterns now? There is much more variety in ______ now than there was before.
【判断题】现在由于环境污染等因素的影响儿童性早熟的比例逐年增加。
【简答题】可以确诊急性胰腺炎血清淀粉酶数值应超过的是( )
【单选题】What is TRUE about the words?
A.
They are used to express feeling only.
B.
They can't be written down.
C.
They are spoken or written sounds.
D.
They are soundless signs.