______ worried her was what she had done

题型:选择题

问题:

______ worried her was what she had done might make things worse.

A. What
B. What
C. What
D. Who
考点:主语从句
题型:选择题

缺词填空(共10空;每空1分,计10分)

根据短文内容和首字母提示,在下文空格处填入适当的词使短文完整。在答题纸标有题号的横线上,完整写出空缺处所填单词的正确形式。(每空一词)

We are beautiful red-crowned cranes. We have red caps on top of our heads. You may t 小题1:       the caps are our feathers. In fact, they are combs(冠)。We are one of the l  小题2:    birds in size in the world. We are the heaviest cranes. An adult red-crowned crane can w  小题3:  up to 11 kilograms. We are good at dancing. I think we are the most beautiful dancers of all the birds. We are also good s  小题4:    . We sing loudly and beautifully We are good at flying as well, we fly to warm East Asia when s  小题5:    comes. We give birth to baby cranes there. We like to live together on wetlands in Southwest China and some other places. We f  小题6:   on worms and small fish. We like to live in long grasses. Water and grasses are i小题7:   for us. But sometimes, life is harder these years. We are one of the most e  小题8:    birds in the world now. People keep t   小题9:     our living areas to make farms and build houses. We don’t have enough space to live. And we don’t have enough food to feed our babies because people f  小题10:   and hunt too much. Can you help us!

题型:选择题

有关骨盆的叙述,错误的是

A.是由左、右髂骨和骶骨、尾骨构成

B.髂骨与骶骨形成骶髂关节

C.髂骨分居骶骨两侧

D.髂骨与骶骨后方为耻骨联合

E.骨盆有承受、传递重力和保护盆内器官的作用

题型:选择题

Internet的域名和IP地址之间的关系从总体上讲是【 】。

题型:选择题

如图所示,长度l=1m,质量M=0.25kg的木板放在光滑的水平面上,质量m=2kg的小物块(质点)位于板的左端,板和物块间的动摩擦因数μ=0.1,现突然给板一向左的初速度v0=2m/s,同时对小物块施加一水平向右的恒定拉力F=10N,经过一段时间后,物块与板相对静止,取g=10m/s2.求:

(1)从开始运动到物块与板相对静止,经过的时间是多少?

(2)物块最终在板上的位置.

题型:选择题

社会政治经济制度对教育的制约与影响表现在哪些方面

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