问题
选择题
| 关于水和冰，下列说法正确的是：（ ） A．0℃的冰比0℃的水的内能小 B．0℃的水一定能结成冰 C．相同质量的O℃的水和0℃的冰的内能相同 D．相同质量的O℃的水和O℃的冰比较，水的分子势能较大 |
答案
答案：D
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| 关于水和冰，下列说法正确的是：（ ） A．0℃的冰比0℃的水的内能小 B．0℃的水一定能结成冰 C．相同质量的O℃的水和0℃的冰的内能相同 D．相同质量的O℃的水和O℃的冰比较，水的分子势能较大 |
答案：D
| 完形填空. | |||
| Years ago, if a teenager had some problems in her life, she might go home and write in her diary. Now, a teenager with ___1__ problems might go onto the Internet and write about his problems in a blog. In many ways a diary and a blog are very __2__. So, what makes blogging different from writing in__3__diary? The biggest difference is that blogging is much more __4__than a diary. Usually, a teenager treats his diary like a book full of__5__that she does not want to __6__. It's interesting that someone who writes in a blog__7__a diary will probably write nearly the same information. I have a little sister, and sometimes I go online to read her__8__. She writes about things like waking up early for swimming practice and not studying enough for her chemistry test. __9__I was her age, I wrote about the same things, but__10__in my diary. Then, after I had finished writing, I would hide my diary in a secret place because I was__11__that my sister might read it! The biggest__12__with blogging is that anyone can read what you write. If I was angry with a friend during high school and wrote something__13__about her in my diary, she would never know!__14__, if my sister ever wrote something bad about a friend, that friend__15__ read her blog and get a "cry". There are also__16__to blogging, of course. If I felt sad one day and wrote in my diary: "Nobody cares about me."__17__would know about it. However, if my sister wrote the same sentence in her blog, her best friends would__18__respond and tell her how much they__19__ her. Blogs help people__20__in touch with their friends and know what the people around them are doing. | |||
| ( )1.A. the same ( )2.A. familiar ( )3.A. a personal ( )4.A. attractive ( )5.A. thoughts ( )6.A. tell ( )7.A. instead of ( )8.A. blog ( )9.A. Although ( )10.A. only ( )11.A. angry ( )12.A. problem ( )13.A. pleasant ( )14.A. Beside ( )15.A. should ( )16.A. reasons ( )17.A. everyone ( )18.A. happily ( )19.A. like ( )20.A. lose | B. troublesome B. special B. an ordinary B. public B. puzzles B. share B. as well as B. diary B. Since B. already B. concerned B. doubt B. wrong B. However B. will B. disadvantages B. no one B. especially B. miss B. stay | C. difficult C. similar C. a common C. convenient C. mysteries C. publish C. in favor of C. report C. When C. still C. glad C. trouble C. mean C. Therefore C. must C. shortcomings C. anyone C. quickly C. need C. get | D. daily D. different D. a traditional D. quick D. secrets D. solve D. in spite of D. web D. Because D. never D. worried D. mistake D. funny D. Then D. might D. advantages D. someone D. immediately Dhelp D. find |