下列电子邮件地址中正确的是（）。 A: Malin&sina.com B: Lin Ma。Sina.com C: Malin！sina.com D: LinMa@sina.edu

A ______ immigrant Joseph Malin opened his first fish & chips shop in 1860s.

Malin and Joe wouldn't like this kind of music,______? A: will they B: would they C: won't they

中国大学MOOC: Please tell us ­­­­­­­­­­­­­­­________________ thegoods will be transshipped.

下面程序段运行结果是____。 A: B: &˽&˽&* C: D: ˽&˽&˽&˽* E: F: &&&* G: H: ＆˽*˽˽

以下运算符优先级排列正确的是（ ） A: *= &&！= % B: *= % &&！= C: %！= && *= D: &&！= % *=

若图中直线，，的斜率分别为，，，则(　　) A: $amp;$amp; B: $amp;$amp; C: $amp;$amp; D: $amp;$amp;

\(A\)同上题,将其对角化\(A=S\Lambda S^{-1}\)的方阵\(S\)可以是 A: \(\begin{pmatrix} 1 & 1 & 1 & 1 \\ 1 & 1 & 1 & 0 \\ 1 & 1 & 0 & 0 \\ 1 & 0 & 0 & 0 \end{pmatrix}\) B: \(\begin{pmatrix} 1 & 0 & 0 & 0 \\ 0 & 0 & 1 & 0 \\ 0 & 1 & 0 & 0 \\ 0 & 0 & 0 & 1 \end{pmatrix}\) C: \(\begin{pmatrix} 1 & 0 & 0 & -1 \\ 0 & 1 & -1 & 0 \\ 0 & 1 & 1 & 0 \\ 1 & 0 & 0 & 1 \end{pmatrix}\)

下列运算符中，优先级从高到低依次为（ ） A: && ! || B: || && ! C: && || ! D: ! && ||

下列运算符按照由高到低的优先级排列的是_________? A: &&,||,^,*+ B: *,+,&&,||^ C: *,+,^,&&,|| D: *,+,^,||&& E: ^,||,&&,*+