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It is Mother's Day today£®Though it's a western festival£¬it's popular in China now£®
Mom has a full-time job£¬so she has to do most of the houseworks£®She is a great mother£®Both Dad or I planned to do something on Mother's Day£®We get up early in the morning£®Dad cleaned the house£¬and then went on shopping£®When he came back£¬I found a bunch of flowers in her hand£®I asked Mom to stay in the sitting room and I cooked in kitchen£®The dishes what I cooked were Mom's favoritest£®At dinner£¬we said to her£¬"Happy Mother's Day£¡"Mom was grateful and moving£®

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½â´ð It is Mother's Day today£®Though it's a western festival£¬it's popular in China now£®
Mom has a full-time job£¬so she has to do most of the houseworks£®She is a great mother£®Both Dad or I planned to do something on Mother's Day£®We get up early in the morning£®Dad cleaned the house£¬and then went on shopping£®When he came back£¬I found a bunch of flowers in her hand£®I asked Mom to stay in the sitting room and I cooked in¡Äkitchen£®The dishes what I cooked were Mom's favoritest£®At dinner£¬we said to her£¬"Happy Mother's Day£¡"Mom was grateful and moving£®
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1£®Are you truly happy£¿Do you ever know what it means to be happy and what it takes to achieve happiness£¿£¨16£©D£®The following are a few tips that I follow to create happiness in my life£®
¡ùMake a plan for attaining goals that you believe will make you happy£®Your moods will very likely increase if you are going after something you value£®
¡ùSurround yourself with happy people£®It is easy to begin to think negatively when you are surrounded by people who think that way£®£¨17£©B£®
¡ùWhen something goes wrong£¬try to figure out a solution instead of being absorbed in self pity£®Truly happy people don't allow setbacks to affect their mood because they know that with a little thought they can turn the circumstances back to their favor£®
¡ù£¨18£©E£®These few minutes will give you the opportunity to focus on the positive things in your life and will lead you to continuous happiness£®
¡ù£¨19£©G£®Whether you treat yourself to lunch£¬take a long£¬relaxing bath or simply spend a few extra minutes on your appearance£¬you will be subconsciously £¨ÏÂÒâʶµØ£© putting yourself in a better mood£®
¡ùFinding the humor in situations can also lead to happiness£®Find a way to make light of a situation that would otherwise make you happy£®
¡ùKeeping healthy is another way to achieve happiness£®£¨20£©C£®

A£®What makes one person happy may be very different from what makes someone else happy£®
B£®On the contrary£¬if you are around people who are happy£¬their emotional state will be infectious£®
C£®Being overweight or not eating nutritious foods can have a negative effect on your mood£®
D£®These are important questions for anyone who is seeking happiness to ask themselves£®
E£®Spend a few minutes each day thinking about the things that make you happy£®
F£®There are some tips in life that lead to happiness£®
G£®It's also important to take some time each day to do something nice for yourself£®
17£®As we know£¬DNA testing is very useful for crime fighting£®But now crime fighters could have a new tool at hand£®Researchers have developed a cutting-edge £¨Ç°Ñصģ© technique to identify human hair£®Their test is quicker than DNA analysis techniques currently used by the police£®
DNA testing is commonly used for identification because DNA is unique to each individual£®However£¬environmental and chemical processes can degrade£¨½µ½â£© DNA£¬limiting its usefulness over time£®Protein £¨µ°°×ÖÊ£© in hair£¬on the other hand£¬is more stable than DNA but can also have variations £¨±äÒìÌ壩 that may be unique to the individual£®
"Our analysis process can be used universally£¬"says Ms£®Huang£¬"One of our samples even included dyed hair and the test was 100 percent accurate£®The test was able to distinguish East Asians£¬Caucasians and South Asians£®"
Dr£®Beauchemin says she has got in touch with law enforcement agencies about using the new technology£®She is also planning to collect more hair samples and continue her research with a goal of finding where exactly in the world hair sample is from£¬to look for more races and determine specific age£®
"We are in a very similar place with protein-based identification to where DNA testing was during the early days of development£¬"said chemist Brad Hart£®"This method will be a game-changer£¬and while we've made a lot of progress toward improving it£¬there are steps to go before this new technique is able to reach its full potential£®"

64£®What's the main purpose of the text£¿D
A£®To analyze crime scenes£®
B£®To distinguish different races£®
C£®To show the usefulness of DNA testing£®
D£®To introduce a new identification method£®
65£®Which will be the most useful in identifying a person according to Brad Hart£¿B
A£®Chemical materials£®
B£®Protein in hair£®
C£®DNA variations£®
D£®Blood sample£®
66£®What's the advantage of the protein-based identification over DNA testing£¿A
A£®Stability£®B£®Popularity£®C£®Security£®D£®Convenience£®
67£®What can be inferred from the last paragraph of the text£¿B
A£®DNA testing will soon reach its full potential£®
B£®Protein-based identification remains to be improved£®
C£®Protein-based identification has replaced DNA testing£®
D£®DNA testing develops as rapidly as protein-based identification£®

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