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【单选题】
瘢痕性幽门梗阻最突出的症状是A.
胃型和蠕动波
B.
呕吐大量宿食
C.
营养不良性消瘦
D.
上腹部胀痛
E.
便秘
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反馈参考答案：
举一反三
【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...
【简答题】阅读理解。 Many people are surprised when they find that the Internet was set up in the 1960s. At that time, computers were large and expensive. Computer networks didn't work well. If one computer in the n...
【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)
【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
【单选题】The _____ is the average value of a set of data items.
A.
mean
B.
median
C.
mode
D.
matrix
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