由于保管人的责任,造成退仓不能入库时,应按合同规定赔偿存货人运费和支付违约金.
A. 对
B. 错
【单选题】The application of AI in healthcare is expected to cut __________ the cost treatments and care.
A. out
B. into
C. down
D. through
【单选题】__________ the Internet of Things is to become a reality, its developers should pay more attention to its security.
A. If
B. Although
C. Until
D. Unless
【单选题】Unlike many companies __________ services stops once the sale is made, our service begins once you buy our product.
A. what
B. whose
C. that
D. which