【判断题】钢丝绳在卷筒上的固定方法一般有契块固定法、长板条固定法、压板固定法。
【单选题】当管道敷设在人行频繁, 并有车辆通行的地方, 宜采用的架空敷设为
【单选题】下列关于评价瓣膜病变严重程度的叙述不正确的是()
A.
重度急性主动脉瓣关闭不全可以导致全舒张期杂音
B.
重度主动脉瓣狭窄会引起历时延长和峰值后移的收缩期喷射性杂音
C.
重度二尖瓣狭窄在正常心率时的S2-OS间期小于70ms,而其他左心瓣膜疾病则不具备该表现
【判断题】Nullity of the contract does not affect any provision in the contract for the
settlement of disputes or any other term of the contract that is to operate
even after avoidance.
【单选题】S offers to sell his car to B for £10,000 cash. At what point in time does the contract come into being?
A.
When B accepts the offer
B.
When B pays S the £10,000
C.
When the agreement is written down
D.
When the agreement is signed
【简答题】幼儿园入园幼儿的年龄一般为_______岁至______岁,也有一些为________岁至________岁。
【简答题】观赏植物一般常用的繁殖方法有播种、()、分株、压条、嫁接和组织培养方法。