In what day does science do something harmful to mankind？（）

Which of the following programs organize exchanges for high school students?（）

The reason（A）Tom has made great progress（B）is for（C）she has never wasted（D）her time.

The results of this experiment do not（）those of the studies that the team of scientists had conducted previously.

Where should you begin your research on complex and serious topics？（）

Which of the following statements is NOT true about ISEP?（）

Choose the most appropriate words to complete the summary of Unit 3 Passage A（每词只选一次，只需填字母）The passage is speaking strongly against the patent system--based upon the (1)______that “patent-lawyers are s of obfuscation” and that patents are being used both by established (2)______and patent trolls to stifle further innovation. The system has created a parasitic (3)_______ of trolls and defensive patent-holders, who aim to block innovation, or at least to stand in its way (4)______ they can grab a share of the spoils. An early study found that newcomers to the semiconductor business had to buy licenses from incumbents for as much as $200m. Patents should spur (5)_______ of innovation; instead, they are used to lock in incumbents' advantages. The patent system is expensive. A decade-old study (6)_______ that in 2005, without the temporary monopoly patents bestow, America might have saved three-quarters of its $210 billion bill for prescription drugs. The expense would be worth it if patents brought innovation and prosperity. The Economist has a longstanding pro-competition anti-patent bent. In the 1800's The Economist proposed full (7)______of the patent system. The paper's stance is no longer opposition, but does come with the interesting statement that “government should force the owners of intellectual property to share.” Their proposals: 1) Patent Use Requirement--the patent should only be (8)______ if the patentee uses it in the marketplace. 2) Patent (9)______--patents should be easier to challenge without going to court and the burden of proof should be lower. 3) The standard for non-obviousness should be raised so that patents are only granted to those “who work hard on big, fresh ideas, rather than those who file the paperwork on a tiddler.” 4) Patent term should be reduced--(10)______ in fast-moving technology areas.

Would you consider to give（A）her another（B）five minutes before（C）giving up（D）waiting for her.

        In his brilliant essay“At the Head of the Peach Blossom Stream”，the great poet of the Eastern Jin Dynasty Tao Yuanming （1）_____（describe）a land of peace away from the turmoil of the world.But where on earth（2）_____（be）this ancient Shangri-la？There（3）_____（be）many guesses.        Most people，especially those from Tao Yuanming's native place.（4）_____（believe）that it should（5）_____（be）what（6）_____（be）now（7）_____（call）the Yujing Hill，about two miles west of Star Child County （Xingzixian in Chinese），Jiangxi Province.The Yujing Hill（8）_____（wedge）between the picturesque Mount Lu and the mist-shrouded Poyang Lake.（9）_____（stand）at the summit of the hill and（10）_____（look）around，one（11）_____（see）down below level fields（12）_____（stud）with hamlets and villages，where cottages（13）_____（stand）in neat rows，footpaths（14）_____（crisscross）the farmland，and rice ears（15）_____（wave）in the winds.This（16）_____（be）just the picture（17）_____（depict）by the poet in his lines；        Level fields（18）_____（extend）wavily to the far horizon，        A new life（19）_____（flow）in lusty young seedlings.        （20）_____（look）farther into the distance，one（21）_____（see）vast expanses of blue waters and a solitary，abrupt peak（22）_____（tower）amidst floating mists.This（23）_____（be）just the Fallen Star Hill（Luoxingshan in Chinese）（24）_____（praise）by the poet as“a solitary object of beauty that（25）_____（rise）clear out of the ground beside waters.”        （26）_____（take）a closer look，one（27）_____（see）chimney smoke（28）_____（curl）up fromthe cottages at the foot of the hill，children（29）_____（frolic）on the threshing grounds or in the streams amid flocks of fowls，and farmers（30）_____（walk）briskly and（31）_____（work）busily in the fields.This（32）_____（be）just the scene of a contented life of plenty（33）_____（paint）by the poet in hisessay“At the Head of the Peach Blossom Stream”.

I am going（A）to have my letter type（B）tomorrow if I've got（C）everything ready（D）by then.