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【多选题】
4胎盘的功能主要有A.
气体交换
B.
营养物质供应
C.
排出胎儿代谢产物
D.
防御功能、 合成功能
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举一反三
【单选题】Some Stanislaus County farmers are having a tough time harvesting their crops because of a shortage of workers. For years Vito Chiesa, who farms near Hughson, has grown peaches, but these days he s re...
A.
hiring harvest workers
B.
selecting the right fruit to grow
C.
selling their farm produce
D.
changing their way of farming
【单选题】下列关于类型转换函数的说法,错误的是 。
A.
类型转换函数没有函数类型。
B.
类型转换函数没有参数。
C.
类型转换函数只能作为类的友元函数。
D.
类型转换函数用于将本类型对象转换为其他类型。
【单选题】关于变量的类型转换说法错误的是（ ）
A.
自动类型转换也叫隐式类型转换
B.
自动类型转换的两种数据类型必须彼此兼容
C.
强制类型转换也叫显式类型转换
D.
强制类型转换的两种数据类型也必须彼此兼容
【简答题】语法选择 First we went to the Great Pyramids.They were built for the 1 of ancient Egypt.When a king 2 , people put him inside a pyramid.They believed that their king would live a 3 life in a pyramid.They ...
【简答题】Translate the following sentences into Chinese. 1. Hence , it is important to have professional titles, precise key words, clear descriptions, pictures, complete features, reasonable prices, free ship...
【判断题】根据短文,判断正误,正确的写“T”,错误的写“F”。 One day, my friend Tim was walking in the street. Then he heard a boy crying. The boy stepped(踩到) on a piece of a banana skin(皮) and fell to the ground. Tim walked up to the...
A.
正确
B.
错误
【简答题】A．Because too many entrances will be confusing. B．Because it can affect the overall time and the cost of labor. C．Because it gives information about the price of the house. D．Because it tells the loca...
【单选题】以下关于类型转换的说法中,哪一项是错误的?
A.
boolean类型不可以转换为其他的数据类型。
B.
char类型不能转换为int类型。
C.
容量小的类型能够自动转换为容量大的数据类型。
D.
容量大的数据类型转换为容量小的数据类型时，要加上强制转换符。
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