-Could you tell me ______? -Yes. To take

阅读短文，判断短文后面的句子的正(√)误(×)。

Robot: What day is it today?

John: It's Friday. Hum.…I like Fridays.

Robot: What do you have today?

John: We have science, art and math. What about you?

Robot: We have English and P. E. What do you do on weekends?

John: I often play football.

( ) 1. It's Friday.

( ) 2. John likes Fridays.

( ) 3. John has art and P. E. on Fridays.

( ) 4. Robot has English and P. E. today.

( ) 5. John often plays baseball on weekends.

下列句子中空缺处应填入的一组词是[ ]

①然而在这样的生活艰难中，________预定了《莽原》全年的就有她。

②听说，她，刘和珍君，那时是________前往的。

③我才见她虑及母校前途，________至于泣下。

④真的猛士，将更________而前行。

A．欣然　奋然　毅然　黯然

B．毅然　奋然　欣然　黯然

C．毅然　欣然　黯然　奋然

D．欣然　毅然　黯然　奋然

若给水泵的轴弯曲造成盘车不动，应（）

A、更换轴

B、更换滚珠

C、更换轴承

D、更换叶轮

有一种攻击是针对网络低层协议而不是针对某项特定的应用服务，这种攻击称为 【15】 。 下面rotate函数的功能：将n行n列的矩阵A转置为A’，请填空。 # define N 4 void rotate(int a[][N]) { int i, j, t; for{i=0; i＜N; j++} for{j=0; 【16】 ; j++} { t=a[i][j]; a[i][j]=a[j][i]; a[j][i]=t; } }