题目

下图是小麦淀粉酶在不同温度条件下的催化效率变化曲线，请回答：（1）在35℃时，小麦淀粉酶的催化效率是           的。（2）在      度和      度时，催化效率都降为0，但在再回复到35℃时，仅       者的催化效率可望恢复，表明                          者的酶的分子结构已遭破坏。10．The world's richest man might seem to have it all，but Bill Gates has one regret．The self-madebillionaire said he felt stupid for not knowing any foreign languages．Speaking in his third Ask Me Anything question-and-answer session for online forum Reddit（红迪网），the Microsoft founder said that he wished he spoke French，Arabic or Chinese．He said，"I took Latin and Greek in high school and got As and I guess it helps my vocabulary．I keep hoping to get time to study one of these-probably French because it is the easiest．I did Duolingo for a while but didn't keep it up．"Gates，who is worth  79.3 billion，praised Facebook founder Mark Zuckerberg for surprising an audience in Beijing when he spoke fluent Chinese．"Mark Zuckerberg amazingly learned Chinese and did a Q & A with Chinese students-unbelievable，isn't it？"he said．    This isn't the first time for Gates to admit his regret over language．He also showed his habits at home and personal insights．    Last February，Gates said he likes to do the dishes himself-to his own special standards every night and also told the interviewer that his wife，Melinda，would likely want Samuel L．Jackson to play her husband in a biopic（传记片）．As he took the top spot on Forbes（福布斯） 28th Annual Billionaires list last year for the fourth time，he said he is pretty basic when it comes to spending on clothes and food，but that he enjoys investing（投资） in shoes and rackets（球拍） when he plays tennis．When asked a life lesson he had to learn the hard way，the billionaire said staying up too late is a habit he is still trying to break．"Don't stay up too late even if the book is really exciting．You will regret it in the morning．Pam still working on this problem，"he said．28．The underlined part in paragraph 8may actually mean thatC．．A．it is important to lay a good foundation of lifeB．food and clothing are basic needs for people's lifeC．he doesn't spend much money on food and clothesD．he never cares about buying food and clothing29．What advice did Bill Gates give？CA．Avoid staying up too late．B．Be a good language learner．C．Do the dishes yourself at home．D．Pick up the $100bills in the streets．30．Which of the following is true according to the passage？CA．Bill Gates is also the founder of Facebook．B．Bill Gates topped the list of Forbes 28times．C．Bill Gates was good at learning languages in high school．D．Bill Gates'wife wants Samuel to play a game with Gates．