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【简答题】
函数信号发生器与低频信号发生器有什么不同?
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【简答题】阅读理解。 If you tell others you are from the 1980s generation, probably you are not as cool as you have expected. The c:ool kids today, or the so-called 'Post-90s' generation, have become much 'cooler' t...
【简答题】选择适当的词语并用其正确形式填空。 belong to apart from lack of meet with as cool as a cucumber hold up make no difference expect refer to adjust to 1. ______ his earnings as a ...
【单选题】Just be as cool as a cucumber. The underlined part means______.
A.
happy
B.
calm
C.
straight
D.
cool
【简答题】已知△ABC三个顶点的坐标分别为A（4，1）、B（0，2）、C（-8，10） （Ⅰ）若AD是BC边上的高，求向量 AD 的坐标； （Ⅱ）若点E在AC边上，且 S △ABE = 1 3 S △ABC ，求点E的坐标．
【单选题】—I expected him to be nervous before his speech, but he was as cool as a cucumber. —He _______ it carefully.
A.
could have prepared
B.
shouldn’t have prepared
C.
must have prepared
D.
can’t have prepared
【简答题】已知 i=5;写出语句 i+=012; 执行后整型变量 i 的十进制值是_____。 (提示:012是八进制数,需要把八进制转换成十进制)
【简答题】已知 i=5;写出语句 i+=012; 执行后整型变量 i 的十进制值是【1】.
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