I hope ___ the little ___ I have been able to do has been of some use.

答案查看网，轻松搜题/搜资源

【单选题】【消耗次数：1】

① that; that

② /; by which?

③ what; what

④ /; with which

参考答案：

复制

纠错

相关题目

【单选题】 How stupid I have been! Why _______ I do that before?

① don’t

② didn’t

③ not

查看完整题目与答案

【单选题】 She took it as an insult which wasn’t at all what I( ).

① intend

② intended

③ has intended

④ had intended

查看完整题目与答案

【单选题】 I often ______ the cooking for my family, but recently I have been too busy to do it.

① will do

② do

③ am doing

④ had done

查看完整题目与答案

【单选题】 He has been to Beijing . So [填空] I.

① have

② does

③ do

④ did

查看完整题目与答案

【单选题】 I always ____ what I have said.

① get to

② hold to

③ lead to

④ see to

查看完整题目与答案

【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

查看完整题目与答案

【单选题】 Tom, what did you do with my documents? I have never seen such a _______ and disorder!

① mess

② mass

③ guess

④ bus

查看完整题目与答案

【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.

查看完整题目与答案

【单选题】 Do you have any ice? I am used to have a nightcap before I go to bed.What is the meaning of the word “nightcap”?

① 沐浴

② 夜读

③ 夜宵

④ 睡前饮料

查看完整题目与答案

【单选题】 I have been at home [填空]Sunday.

① on

② for

③ at

④ since

查看完整题目与答案

随机题目

【单选题】有一群人受某种疾病感染患病占20%，现随机地从他们中抽出50人，则其患病人数的数学期望和方差分别是（）

① 25和8

② 10和2.8

③ 25和64

④ 10和8

查看完整题目与答案

【判断题】用范成法加工标准齿轮不根切的最小齿数是17。（）

① 正确

② 错误

查看完整题目与答案

【判断题】标准直齿圆柱齿轮不产生根切的最小齿数是17。

① 正确

② 错误

查看完整题目与答案

【判断题】滚动轴承内圈与轴颈的配合采用基孔制，外圈与座孔的配合采用基轴制。()

① 正确

② 错误

查看完整题目与答案

【判断题】斜齿轮不根切的最小齿数比直齿轮的大。()

① 正确

② 错误

查看完整题目与答案

【判断题】凸轮的基圆半径就是凸轮理论轮廓线上的最小曲率半径。（）

① 正确

② 错误

查看完整题目与答案

【判断题】凸轮机构是一种低副机构。

① 正确

② 错误

查看完整题目与答案

【判断题】在曲柄摇杆机构中，当连杆与曲柄共线时，机构处于死点位置。()

① 正确

② 错误

查看完整题目与答案

【判断题】若渐开线齿轮传动的中心距增大，则传动比随之改变。()

① 正确

② 错误

查看完整题目与答案

【判断题】因为基圆内没有渐开线，所以渐开线齿轮的齿根圆必须设计得比基圆大。（　　）

① 正确

② 错误

查看完整题目与答案