【单选题】【消耗次数：1】
A computer can only do____ you have instructed it to do.
①
how
②
after
③
what
④
when
参考答案：
复制
纠错
相关题目
【单选题】
When you make a self-introduction, you can tell what you do for a ______________.
①
job
②
life
③
living
④
taste
【单选题】
What can I do for you, madam?
①
I want a kilo of apples
②
You can go your own way
③
Thanks
④
Excuse me. I’m busy
【单选题】
—Hello there, what can I do for you, sir?—_____________________.
①
I can do it myself.
②
No, youre welcome.
③
I would like to buy a pair of glasses.
④
Yes, thank you.
【单选题】
How do you do? Glad to meet you._________
①
Fine. How are you?
②
How do you do? Glad to meet you, too.
③
How are you? Thank you!
④
Nice. How are you?
【单选题】
Susan: How do you do, Mrs. White.Mrs. White: How do you do, Susan. I’m glad you can join us. __________
①
Dont be shy.
②
Please feel natural.
③
Make yourself at home.
④
Feel all right here.
【单选题】
Susan: How do you do, Mrs. White.Mrs. White: How do you do, Susan. I’m glad you can join us. __________
①
Don’t be shy.
②
Please feel natural.
③
Make yourself at home.
④
Feel all right here.
【单选题】
A: How do you do? B: [填空]
①
Fine, thank you.
②
How do you do?
③
Not too bad.
④
Very well.
【判断题】
A: How do you do? Pleased to meet you. B: How do you do? Pleased to meet you, too.
①
正确
②
错误
随机题目
【单选题】
今有某医院各科患者与死亡资料，拟计算下列指标： 科别 患者数 死亡数 外科 1500 180 内科 500 20 传染科 400 24 合计 2400 224 则各科病死率为：（ ）。
①
各科患者数/患者总数
②
各科病死数/病死总数
③
各科病死数/各科患者数
④
各科病死数/总人口数
⑤
病死数合计/患者数合计
【单选题】
美国人1954年实施了旨在评价索尔克（Salk）疫苗预防小儿麻痹或死于脊髓灰质炎效果的临床试验，最终肯定了索尔克疫苗的效果。问此结论是针对（）而言。
①
180万儿童
②
每个儿童
③
所有使用索尔克疫苗的儿童
④
所有儿童
【单选题】
关于抽样误差的叙述，正确的是（）。
①
抽样误差可以避免
②
抽样误差大小可以估计
③
不同样本间不存在抽样误差
④
抽样误差就是一种系统误差
⑤
抽样误差是指个体差异