用户查看日志实时更新的命令是。 A．cat -c B．head -n C．tail -f D．less -m

下列程序的运行结果是（ ）。t = 0 while t < 5: print(t, " is less than 5") t = t + 1else: print(t, " is not less than 5") A: 0 is less than 51 is less than 52 is less than 53 is less than 54 is less than 55 is not less than 5 B: 1 is less than 52 is less than 53 is less than 54 is less than 55 is less than 55 is not less than 5 C: 0 is less than 51 is less than 52 is less than 53 is less than 54 is less than 5 D: 1 is less than 52 is less than 53 is less than 54 is less than 55 is less than 5

If<br/>there are ______ people driving, there will be ______ pollution. A: less; less B: less; fewer C: fewer; fewer D: fewer; less

The less you own personally, ______ to certain lawsuits. A: the less you are vulnerable B: the less vulnerable you are C: you are less vulnerable D: you are the less vulnerable

Computers are _____( )_____popular in our daily life. A: more and more B: less and less C: more and less D: less and more

He cannot run a hundred yards, ________ a mile. A: less than B: still less C: no less D: less even

Can you do your work with _____money and _____ people? A: less;few B: less;fewer C: little;less D: few;less

The _____ sensitive is the demand for money to interest rates, the _____ unpredictable velocity will be.（） A: more; more B: more; less C: less; more D: less; less

Jane is ______ than Betty. A: less talle B: less tallest C: less tall D: not as tall

A body weighs______from the surface of the earth. A: less the farther it gets B: the farther it gets, the less C: less than it gets farther D: less than the farther it gets