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【判断题】
影响塑件尺寸精度的因素十分复杂,首先是模具制造的精度和塑料收缩率的波动,其次是模具的磨损程度,另外,成型时工艺条件的变化、塑件成型后的时效变化、塑件的飞边等都会影响塑件的精度。A.
正确
B.
错误
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【单选题】Ellen 查看材料
A.
All animals have the right to live for themselves.
B.
Some vegetarians in fact eat small-sized animals.
C.
Vegetarians need to do more to save animals'lives.
D.
Some people have overstressed the rights of animals.
E.
Vegetarians should be consistent in their eating habits.
F.
How can I become a vegetarian without a favorable environment?
G.
Eating less meat saves not only the life of animals but also that of your own.
【简答题】硅二极管正向导通时,两端电压约为 V
【简答题】轮藻的繁殖方式属主要有2种类型：（）时常以藻体断裂或产生（）的方式进行，而有性生殖属于（）生殖，其中雄性生殖器官称为（），雌性生殖器官称为（）。
【简答题】轮藻的有性生殖方式为_______，其雌雄生殖器官分别为：_______和_______。
【单选题】Rod 查看材料
A.
All animals have the right to live for themselves.
B.
Some vegetarians in fact eat small-sized animals.
C.
Vegetarians need to do more to save animals'lives.
D.
Some people have overstressed the rights of animals.
E.
Vegetarians should be consistent in their eating habits.
F.
How can I become a vegetarian without a favorable environment?
G.
Eating less meat saves not only the life of animals but also that of your own.
【简答题】主题匹配（共5小题；每小题2，满分10分） 阅读下面5段语言材料，从A到F选项中找出与它们相对应的标题。 小题1:You should say “Thank you” when someone gives you the food on the table, when someone keeps the door open for you, when someone says you have d...
【单选题】Jeff 查看材料
A.
All animals have the right to live for themselves.
B.
Some vegetarians in fact eat small-sized animals.
C.
Vegetarians need to do more to save animals'lives.
D.
Some people have overstressed the rights of animals.
E.
Vegetarians should be consistent in their eating habits.
F.
How can I become a vegetarian without a favorable environment?
G.
Eating less meat saves not only the life of animals but also that of your own.
【简答题】轮藻的有性生殖方式为(), 其雌雄生殖器官分别称为()和()。
【简答题】轮藻的雄性生殖器官叫______，雌性生殖器官叫______，其有性生殖方式为______。
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