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问题
判断题
卵孢子的数量决定于与藏卵器交配的雄器中细胞核的数量。（）
答案
参考答案：错
判断题
判断下列各图是(√)否(×)符合句意。
( ) 1.
I can see eleven crayons.
( ) 2.
This is a walkman.
( ) 3.
She is from America.
( ) 4.
This is a man.
( ) 5.
The bike is under the tree.
( ) 6.
He is tall.
查看答案
单项选择题
溶液的浓度用（）克溶剂中所含溶质的物质的量来表示，称为质量摩尔浓度。
A、10
B、100
C、1000
D、10000
查看答案
I can see eleven crayons.
This is a walkman.
She is from America.
This is a man.
The bike is under the tree.
He is tall.