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【多选题】
高效液相色谱流动相水的含量为(   )时,一般不会对色谱柱造成影响。
A.
90%
B.
95%
C.
75%
D.
85%
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【单选题】唯物辩证法和形而上学的根本分歧在于是否承认
A.
事物是客观存在的
B.
事物是运动发展的
C.
事物是普遍联系的
D.
矛盾是事物发展的动力
【简答题】唯物辩证法和形而上学的根本分歧在于是否承认( )
【简答题】Set集合:不会重复 // 例一 const set = new Set([1, 2, 3, 4, 4]); console.log([...set]) // 例二 const items = new Set([1, 2, 3, 4, 5, 5, 5, 5]); console.log(items.size)
【单选题】The School Art Festival has set up a stage ______students can show their talents.
A.
which
B.
where
C.
that
D.
when
【简答题】British public’s vote to leave the EU has set off political and scientific shock waves that could roil Europe and the world for years to come. The decision has dismayed scientists in the UK and across...
【单选题】The set of items that serve as media of exchange clearly includes
A.
demand deposits.
B.
short-term bonds.
C.
credit cards.
D.
All of the above are correct.
【简答题】将 Set 结构转为数组 const items = new Set([1, 2, 3, 4, 5]); const array = Array.from(items); console.log(array)
【判断题】TDA2030只能连接成为OCL功率放大器。
A.
正确
B.
错误
【单选题】老人沐浴时,下列哪项是错误的
A.
饭后1小时方可入浴
B.
入浴时间过长,应予以询问
C.
浴室要锁门,以防其他人进入
D.
贵重物品应妥善保存
E.
穿防滑拖鞋
【单选题】There is something wrong with this bill.Please all the items again.
A.
Add up
B.
set down
C.
put down
D.
look up
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