“Don't to strangers on your way to and from school”, mother often to me._刷题宝

题干

“Don't to strangers on your way to and from school”, mother often to me.

A：speak; say

B：speak; tell

C：talk; speak

D：talk; tell

上一题下一题 0.0难度选择题更新时间:2019-10-30 09:46:00

答案(点此获取答案解析）

A

同类题1

观察下列等式：

第1个等式：a₁= $\frac{1}{1 + \sqrt{2}}$ = $\sqrt{2}$ ﹣1；第2个等式：a₂= $\frac{1}{\sqrt{2} + \sqrt{3}}$ = $\sqrt{3}$ ﹣ $\sqrt{2}$ ；

第3个等式：a₃= $\frac{1}{\sqrt{3} + 2}$ =2﹣ $\sqrt{3}$ ；第4个等式：a₄= $\frac{1}{2 + \sqrt{5}}$ = $\sqrt{5}$ ﹣2；

…

按上述规律，回答以下问题：

同类题2

某一种细菌菌株需要从环境中摄取现成的亮氨酸（20种氨基酸中的一种）才能够生长，此菌株对链霉素敏感。实验者用诱变剂处理此菌株，想筛选出表中列出的细菌菌株类型。根据实验目的，选用的培养基类型是（）
注： L—亮氨酸 S—链霉素 “+”加入 “－”不加入
例如：L－：不加入亮氨酸；S+：加入链霉素

同类题3

读课文《鱼我所欲也》理解默写。

①本文的中心论点是：____

②体现“性本善”思想的句子是：____

③孟子认为失其本心的行为是：____

④文中与“嗟来之食”的意思相一致的句子是：____

同类题4

B

Do you dream of being a reporter? Are you a good English writer who loves the news? We're looking for 100 students from around the world. They will join the BBC Kid Reporter team for the 2015～2016 school year.

In the past, BBC Kid Reporter have:

★Interviewed leaders and other people.

★Written news stories for BBC For Kids.

★Talked about their work on television.

Next year, our team will continue to report local news stories for BBC For Kids magazine and bbcforkids.com.

How to Enter

Visit bbcforkids.com and fill in the entry form(报名表). Be sure to read the rules and share them with your parents who must sign(签名) your form. Entries must be done by June 19, 2015.

You must be over 13 years old。 Good luck!

同类题5

已知sinα+cosα=- $\frac{1}{5}$ $(0 \leq α \leq π)$ ，则tanα=____

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