【简答题】Listen to the second half of the passage again and then fill in the blanks with what you have heard. How about a “self-wringing” mop? I designed a distinctive tool you could twist in two (1) ________...
【单选题】12初,坏账准备贷方余额10万元,本月收回上月已确认并转销的应收账款5万元,12.31根据应收账款预计未来现金流量现值确定期末“坏账准备”贷方余额18万元,则本月应计提的坏账准备金额为( )万元。
【判断题】磁轨制动其制动力不是通过轮轨粘着产生的,制动力不受该粘着的限制。
【单选题】You’d better make a mark ______ you have any questions.
【单选题】正面PTH,反面SMT过锡炉时使用何种焊接方式:()
【单选题】When you read books, you had better make marks ______ you have questions.
【单选题】以下不能使用锥形机头挤出的半成品是( )。
【单选题】Make marks _______ you have questions.