若有两个字符串s1＝'12345',s2＝'34'，执行s＝Instr(s1,s2)后，s的值为( )。
D.5

单项选择题患者男,75岁,因感冒后左前额眼周出现群集水疱伴疼痛5天,可能诊断为() A、脓疱疮 B、带状疱疹 C、单纯疱疹 D、天疱疮

未分类题若语句： cout＜＜setfill('＞')＜＜setw(5)＜＜3141512＜＜setw(5)＜＜'OK!'; 是程序中第1个输出语句，则输出结果是D.31415＞＞OK!

未分类题有以下程序：#include ＜iostream＞using namespace std;class A{public: A(int i,int j) { a=1; b=j; } void move (int x,int y) { a+=x; b+=y; } void show() cout＜＜a＜＜','＜＜b＜＜end1 } private: int a,b; }; class B : private A { public: B(int i,int 3):A (i,j) {} void fun() { move (3,5); } void f1() { A::show(); } }; int main() { B d(3,4); D.fun(); D.f1(); return 0; } 程序执行后的输出结果是A.3,4B.6,8C.6,9D.4,3

未分类题假定有如下的Sub过程： Sub sfun(x As Single，y As Single) t=x x=t y y=t Mod y End Sub 在窗体上添加一个命令按钮(名为Command1)，然后编写如下事件过程： Private Sub Command1_Click() Dim a As single Dim b As single a=5 b=4 sfun a，b MsgBox a & chr(10)+chr(13)&b End Sub 打开窗体运行后，单击命令按钮，消息框的两行输出内容分别为( )。D.5和4

单项选择题Complete the sentence. Wǒ jīntiān zǎoshàng______ tài dǎoméi le. 我今天早上______ 太倒霉了

多项选择题（5.7-1）下列关于认股权证筹资特点的表述中，正确的有（ ）。A、有助于改善上市公司的治理结构。 B、认股权证是一种融资促进工具。 C、有利于推进上市公司的股权激励机制。 D、有利于降低公司财务风险。

单项选择题由于速卖通业务的单笔订单成交金额少，因此送出去的包裹价值普遍较低，没有达到进口国海关的关税最低起征点，因而无关税支出

单项选择题Amazon的主要经营模式是B2C，但是平台同时也存在B2B模块

未分类题It can be inferred from the passage that 'easy conclusion'(Paragraph 3) is based on one of the following assumptions:A.People who migrate from rural areas to large cities usually do so for economic reasons.B.Most people who leave rural areas to take jobs in cities return to rural areas as soon as it is financially possible for them to do so.C.People with rural backgrounds are less likely to succeed economically in cities than are those with urban backgrounds.D.Most people who were once skilled workers are not willing to work as un- skilled workers.

单项选择题Wish平台的页面展示空间也有限，不提供比价功能