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【多选题】
太阳的最终结局是（）A.
中子星
B.
行星状星云
C.
白矮星
D.
黑洞
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举一反三
【简答题】在如图 11 所示的电路中,已知 R 2 =R 4 , A 、 C 间电压 U AC = 15V , B 、 D 间电压 U BD = 7V ,则 A 、 E 间 U AE =______ 。
【单选题】Instead of devoting large parts of our days ______ our loved ones, we replace them with something called "quality time," which, more often than not, is ____ time at all.
A.
to; not
B.
for; no
C.
to ; no
D.
on; not
【简答题】Even our personal relationships have become compressed. Instead of devoting large parts of our days to our loved ones, we replace them with something called “quality time”, which, more often than not,...
【简答题】Do you think the following paragraph unified? Please Justify your reason in no less than 20 words. 1. There are few places in the world today that have not been spoiled by industrial development and p...
【简答题】在如图 11 所示的电路中,已知 R 2 =R 4 , A 、 C 间电压 U AC = 15V , B 、 D 间电压 U BD = 7V ,则 A 、 E 间 U AE =______V 。
【简答题】如图(a)所示电路中，直流电压源U S =100V，R 1 =5Ω，R 2 =15Ω，R 3 =10Ω，电路原已达到稳态。在t=0时，断开开关S，试求t=0 + 时i L 、u C 、u R2 、u R3 、i C 、u L 。
【单选题】Unlike solar power, wind energy often costs no more than traditional fossil fuels.
A.
简单句
B.
并列句
C.
复合句
【简答题】No creature____abused more often
than(1.9) prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>A. is being praised and B. is praised nor prefix="o" ns="urn:schemas-microsoft-com:off...
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