皮皮学，免费搜题
登录
搜题
【判断题】
In PHP function echo and function print are both used to print output,but echo is faster than print which is practically provedA.
正确
B.
错误
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】图示回路，溢流阀的调整压力为5MPa，顺序阀的调整压力为3MPa，问下列情况时A、B点的压力各为多少？ 液压缸活塞杆伸出时，负载压力P L =1MPa时；
【单选题】Faced with a bill for $10, 000, __________.
A.
John has taken an extra job
B.
the boss has given john an extra job
C.
an extra job has been taken
D.
an extra job has been given to John
【单选题】John got caught by the police ______ at 160 km an hour.
A.
to drive
B.
driving
C.
to be driving
D.
drove
【单选题】With his hard work, John ____ the basic knowledge of computer.A. has caught B. has acquired C. has required D. has acknowledged
A.
has caught
B.
has acquired
C.
has required
D.
has acknowledged
【单选题】John caught a cold on Saturday and ______ in bed ever since. [ ]
A.
was
B.
has been
C.
is
D.
have been
【简答题】John has never been on time, ______? A) has John B) hasn't John C) has he D) hasn't he
【单选题】Little John caught a (n)______fish this morning.
A.
alive
B.
alone
C.
lonely
D.
living
相关题目：
参考解析：
知识点：
题目纠错 0
发布
