硝酸钾和氯化钾的溶解度曲线如图所示,下列叙述正确的是( ) A.硝酸钾的溶解度

题型:选择题

问题:

硝酸钾和氯化钾的溶解度曲线如图所示,下列叙述正确的是(  )

A.硝酸钾的溶解度一定大于氯化钾的溶解度

B.降低温度可使接近饱和的硝酸钾溶液变饱和

C.t℃时,硝酸钾和氯化钾两种溶液的溶质质量分数一定相等

D.60℃时,100g水中加入90g硝酸钾,充分搅拌,可得到硝酸钾的饱和溶液

考点:固体溶解度气体溶解度
题型:选择题
Many students have hobbies, such as reading, painting, growing vegetables in their gardens, and looking after animals. Some hobbies are relaxing and ___(1) are creative(有创造性的). Hobbies can develop your interests and help you learn new skills.
David Smith is a student. His hobby is writing. ___(2) the summer of 2000, he spent four weeks on a summer camp. As well as the usual activities, such as sailing, climbing and mounting biking, there was a writing workshop with a profession ___(3). “She asked us to imagine that we were in a story. Then we wrote about our ___(4) at the camp.”
In senior high school David wrote a story about teenage life, and it ___(5) as a book in 2003. Many teenagers love his book, and as a result, David has become a ___(6) young writer.
David has been very lucky ___(7) his hobby has brought him enjoyment and success. But he is ___(8) interested in many other things. “I like playing volleyball, too.” says David. “I spend some of my free time playing volleyball for my school team. ___(9) I’ll write more books in the future, but I’m not sure.”
It's something difficult ___(10) that we shouldn't spend all our time on our favourite hobby. There are many other interesting things to do in life, and we should try to do something new or different.
小题1:
A.otherB.othersC.the otherD.another
小题2:
A.DuringB.AtC.ForD.On
小题3:
A.managerB.doctorC.singerD.writer
小题4:
A.experiencesB.examplesC.excusesD.experiments
小题5:
A.took outB.tried outC.came outD.went out
小题6:
A.successfulB.normalC.politeD.lonely
小题7:
A.orB.butC.becauseD.though
小题8:
A.tooB.alsoC.onlyD.either
小题9:
A.UsuallyB.ImmediatelyC.MaybeD.Once
小题10:
A.rememberB.remembersC.rememberedD.to remember
题型:选择题

外周静脉营养的优点是()

A.便于临床观察,可早期发现插管处静脉炎征象并做及时处理

B.对输注液体的浓度和酸碱度的限制小

C.能最大限度地按机体的需要以较大幅度调整输入液体的量、浓度

D.输入的液体可很快被稀释而不致对血管壁刺激,不易产生静脉炎

E.可供长期输液用,免遭反复静脉穿刺带来的痛苦

题型:选择题

皮肤的含水量占全身体液(体液包括血液、脑脊液、淋巴液等)的()。

A、1/2

B、1/3

C、1/4

D、1/5

题型:选择题

《建设工程监理规范》规定监理月报( ),报送建设单位和本监理单位。

A.由监理工程师编写,总监理工程师签认

B.由专业监理工程师编写,总监理工程师签认

C.由总监理工程师组织编写,总监理工程师签认

D.由总监理工程师组织编写,本单位的法人签认

题型:选择题

建设部、国家工商管理总局联合颁发《建设工程设计合同(示范文本)》,是在( )。

A.2000年3月

B.2000年2月

C.2003年8月

D.2002年7月

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