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【单选题】
要解决信任问题,使用A.
来历不明的U盘
B.
.安装别人的证书
C.
.数字签名
手机使用
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新浪微博
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反馈参考答案：
举一反三
【单选题】Lucy ______ English for six years by the end of last year.
A.
had learned
B.
learned
C.
has learned
D.
could have learned
【单选题】Chinadaily. com. cn is the largest English portal site in China, news, business information and learning materials.
A.
to provide
B.
provide
C.
provided
D.
providing
【简答题】请根据以下内容回答下列各题 Recently, we will hold a learning tour for those English learners. By joining our helpful tour, everyone will find out, at first, specific activities that help to improve your English. B...
【单选题】Our teacher _____________ us English and we _____________ English. [ ]
A.
teach, learn
B.
teaches, learn
C.
teaches, learns
D.
teaching, learning
【简答题】People all over the world are learning English . Some learn at school , others study by . A few learn English by listening the radio. Why do all these people want to learn English ? It’s difficult thi...
【简答题】从键盘输入一个浮点数,将其存储到一个 double 型变量中,然后利用表达式,将其四舍五入到三位小数后再次存入原来的变量,最后输出变量的值。例如输入“ 3.141593 ”,输出“ 3.142000 ”。 注意: 必须改变变量的值为三位有效数字,而不是用“ %.3lf ”的方式输出。 提示: double 型数据输入时, scanf 函数中的输入格式为 %lf
【简答题】小题1:English plays an important part in our life so we a__________________ great importance to learning English well. 小题2:In order to lose weight, she has been on a d__________ recently. 小题3:There was ...
【单选题】Scientists still wonder whether cloning will help or harm us and where it ____ us.
A.
has led
B.
is leading
C.
had led
D.
would lead
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