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【判断题】
克推导黑体辐射公式虽然过程错了但是得到了正确的结论。()A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Zhang Hong is said___________by heart 2000 words up to now .
A.
that she has learned
B.
to have learned
C.
to learn
D.
having learned
【单选题】Like any other (constant) repeated action, speaking (has to) be learned, but once it (is learned), it becomes a generally (unconscious) and apparently automatic process.
A.
constant
B.
has to
C.
is learned
D.
unconscious
【多选题】在PowerPoint中绘制了文本框，并在其中输入文字之后，还可以给文本框增加很多起强调和影响作用的特殊效果，如（）。
A.
填充或边界
B.
允许改变文本固定点
C.
文本框的大小及位置
D.
文本的内部边界
【简答题】下列有关生命活动调节的描述,正确的是 A. 细胞外液渗透压升高能促使抗利尿激素释放增加 B. 甲状腺激素分泌受到下丘脑的直接影响 C. 神经递质作用于突触后膜导致电信号向化学信号转变 D. 植物生长素从产生部位运送到作用部位直接参与细胞代谢
【单选题】Refer to the exhibit. What can be determined about routes that are learned from the router at IP address 190.171.23.12?
A.
HQ_Router last received an update from 190.171.23.12 at 3:30 am.
B.
If HQ_Router does not receive an update from 190.171.23.12 in 30 seconds, all routes from that source will be removed from the routing table.
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