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【单选题】
下列错误不属于Error的是A.
动态链接失败
B.
虚拟机错误
C.
线程死锁
D.
被零除
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反馈参考答案：
举一反三
【简答题】What is a ruby's most important feature?
【单选题】Ruby's laptop crashed down and she asked me _____ her reboot it.
A.
to help
B.
helping
C.
help
D.
helps
【单选题】—Can you tell me your English name? —Yes, it's Ruby. There is _____ 'r' and _____'u' in the word 'ruby'.
A.
a; a
B.
an; a
C.
a; an
D.
an; an
【简答题】“Racism (种族歧视) is a grown-up disease,” declares the saying on Ruby Bridge’s website along with a photo of Mrs. Bridge today, a 6-year-old girl four decades ago. In the photo, she is walking up the ste...
【简答题】Ruby, the artist, is an Asian elephant, She is17 years old. She lives in the zoo. Ruby has produced about 100 paintings since last year. She has made more than $ 40,000 for the zoo. Zoo leaders say Ru...
【单选题】反转录病毒含有
A.
一种依赖RNA的DNA多聚酶
B.
一种依赖RNA的RNA多聚酶
C.
一种依赖DNA的DNA多聚酶
D.
一种脱氧胸腺嘧啶激酶
E.
一种核苷酸磷酸水解酶
【单选题】Ruby’s laptop crashed down and she asked me ____ her reboot it.
A.
to help
B.
helping
C.
help
D.
helped
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