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【单选题】
The underlined word 'volunteer' in paragraph 2 are people ______.A.
who are forced to do something
B.
who are willing to do something without payment
C.
who are reluctant to do something
D.
who are controlled to do something
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举一反三
【单选题】表达式 print('l love python',sep=',',end='.')的输出结果为:
A.
l love python.
B.
l， love， python.
C.
l love python
D.
l love python，
【单选题】Product GX consists of a mix of three materials, J, K and L. The standard material cost of a unit of GX is as follows: What was the materials yield variance for March?
A.
$6,800 favourable
B.
$6,800 adverse
C.
$1,000 favourable
D.
$1,000 adverse
【单选题】外耳道描述正确的是:
A.
外侧 2/3 为软骨部
B.
内侧 1/3 为骨部
C.
成人作外耳道检查时,应向前上方牵拉耳廓
D.
婴儿作外耳道检查时,应向后下方牵拉耳廓
E.
外耳道皮肤较薄,皮下组织层厚,与骨膜结合疏松
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