压平

癌症是一种可怕的疾病，可是你想过吗，未来也许靠鸡蛋就能达到抗癌的目的．英国科学家日前宣布，他们已经培育出了新型转基因母鸡，这种鸡下的蛋，含有能够抗癌和抗其他疾病的蛋白质．研究人员用携带人类基因的病毒感染小鸡早期的胚胎，这种病毒含有能合成抗癌蛋白的人类基因，病毒能将人类基因植入新下鸡蛋的DNA中，通过不断的繁殖，最后培育出的转基因母鸡下的鸡蛋蛋清中，就携带了抗癌物质．用这种蛋白质生产的药品，可以用于治疗包括乳腺癌及卵巢癌在内的多种癌症．这个事例表明，转基因技术将来还可以用来（　　）

A．保持优良品种

B．拯救濒危动物

C．克隆人体自身器官

D．保护人体健康

为下列例句加粗词选出一个恰当的义项[ ]

驽马十驾，功在不舍。

A．量词；功劳，功勋

B．驾驶；工作，事情

C．马拉车一天所走的路程；成功，功效

D．量词；功能

There are many festivals in Argentina during the year. Therefore, you can enjoy the different interesting festivals when traveling there. First of all, we should talk about the Tango(探戈舞) Festival in Argentina, which is held in the capital of this country — Buenos Aires, from February to March. You ought to know that Argentina is the home of tango, so Argentineans admire this dance very much. Even if you cannot dance perfectly, you should join the people and try to perform this dance.

The next festival in Argentina is Open Polo(马球) Tournament. You should go to Palermo to see this festival in Argentina. This festival is held every year and is the most important polo tournament in Argentina. This kind of sport is considered the most important in Argentina. Attending this festival in Argentina, you will be able to communicate with different people, admire the fascinating competition between the teams of different countries, such as Argentina, England, Australia, as well as the US. This festival in Argentina is usually held between November and December every year. So don’t miss the opportunity if you travel to Argentina at this time.

The other festival in Argentina is the Semana Musical Llao Llao. This is a festival of classical music. The festival was created in 1993 and is held at the Llao Llao Hotel, near Bariloche. The festival is held yearly in October. So if you admire this kind of music, you should travel to Argentina in October. There are also many carnivals in October. There are also many carnivals in Argentina in summer. Of course, it’s impossible to put everything about festivals in Argentina into just one article. We hope that you have found this article interesting and eye-catching.

小题1:.

What would be the best title for the passage?

A．Travel to Argentina

B．Entertainments in Argentina

C．Festivals in Argentina

D．A brief introduction to Argentina小题2:.

From the passage, we know that the Tango Festival   .

A．is organized by the government

B．is held in summer

C．welcomes everyone to take part in

D．holds parties for different dances小题3:.

Which of the following is a sport festival?

A．The Semana Musical Llao Llao.

B．Open Polo Tournament.

C．The Tango Festival.

D．Argentina Carnivals.小题4:.

If Tom wants to enjoy a classical music event in Argentina, he should visit   .

A．Buenos Aires in spring

B．Palermo in April

C．Bariloche in October

D．Palermo in winter

下列哪项不是个人防护用品使用应注意事项（）。

A.正确选择性能符合要求的用品

B.充分理解使用目的和意义

C.做好维护保养，妥善安放，便于取用

D.建立发放和管理制度

E.尽量节约使用，以降低生产成本

地方性克汀病的主要原因是（）

A.甲状腺发育异常

B.垂体分泌促甲状腺激素减少

C.甲状腺激素合成障碍

D.母亲孕期饮食中缺碘

E.母亲在妊娠期应用抗甲状腺药物