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【单选题】
下列关于运算符优先级的说法中,不正确的一个是
A.
运算符按照优先级顺序表进行运算
B.
同一优先级的运算符在表达式中都是按照从左到右的顺序进行运算的
C.
同一优先级的运算符在表达式中都是按照从右到左的顺序进行运算的
D.
括号可以改变运算的优先次序
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举一反三
【单选题】Evening dress necessary
A.
You must wear your evening dress.
B.
You don't have to wear evening dress, but you can if you like.
C.
Evening dress will make you look nice.
【单选题】—Good evening! —_________ [     ]
A.
Thank you
B.
Good evening!
C.
Hello!
【单选题】Amy often _______ TV in the evening, but this evening she _______ clothes. [     ]
A.
watches, is washing
B.
is watching, is washing
【单选题】正常阴道中优势菌群是()
A.
乳酸杆菌
B.
棒状杆菌
C.
梭状杆菌
D.
类杆菌
E.
大肠埃希菌
【单选题】正常阴道中优势菌群是
A.
乳酸杆菌
B.
棒状杆菌
C.
大肠杆菌
D.
类杆菌
E.
梭状杆菌
【判断题】矾需要用100度左右的水泡开。
A.
正确
B.
错误
【单选题】I _______ that there _______ an evening party on Saturday evening. [     ]
A.
was told; was going to have
B.
was told; was going to be
C.
heard; was going to have
D.
was said; is going to be
【单选题】病毒性角膜炎由单纯疱疹病毒感染引起,其发病的诱因是
A.
角膜上皮损伤
B.
机体抵抗力下降
C.
滥用激素
D.
沙眼
E.
屈光不正
【单选题】正常阴道中优势菌群是()
A.
乳酸杆菌
B.
棒状杆菌
C.
大肠埃希菌
D.
类杆菌
E.
梭状杆菌
【单选题】—Good evening, ____________. —Good evening. [     ]
A.
Dale
B.
to Dale
C.
dale
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