题目

下图表示某种离子跨膜运输的过程，下列叙述不确切的是（  ） A．图中膜结构是细胞膜           B．该离子跨膜运输方式为主动运输 C．该离子与膜上的载体蛋白结合具有专一性 D．膜上载体蛋白结合离子后其空间结构发生改变 答案：AMalaysia is a country of exciting beauty, with a tropical（热带的） climate. Malaysia’s weather is hotter in the lowlands and cooler in the mountains and highlands. Temperatures vary between 20 and 30 centigrade. Rainfall can be expected at any time, with an average of between 200 and 260 centimeters. The Malaysian population consists of Malays, Chinese, Indians and Eurasians. Its main religions are Islam, Buddhism, Hinduism, Taoism and Christianity. Its national language is Malay. English is widely spoken and is used all over the country. Other languages spoken in Malaysia are some Chinese dialects, Tamil, Portuguese and Arabic. Malaysia is an exciting and fascinating place for tourists, with something special planned throughout the year. The natural attractions are plentiful, with magnificent mountains lying in green, large stretches of sandy beaches and hospitable and friendly people. Malaysia’s economy is the most advanced in this part of the world. The annual income is M$1, 680, one of the highest in the whole of Asia. Malaysia is the world’s leading exporter of rubber, tin, tropical hardwood, palm oil, pepper, tea, coffee and cocoa and has vast resources of oil. Malaysia’s capital is Kuala Lumpur in the southwest of the Malay Peninsula. Kuala Lumpur arose in the 1860s when tin was discovered, grew and spread very quickly. It became the state’s capital within forty years of its founding. Now it is home to over one million inhabitants(居民), about 56% of whom are Chinese, 28% Malays and the rest are from anywhere and everywhere.小题1:If you visit Malaysia, you will see ________.A．people of the white and yellow racesB．many temples and churches C．beautiful tropical sceneryD．All of the above.小题2:Though Malay is Malaysia’s national language, ______.A．over half of its population speak ChineseB．English is also a popular language C．people don’t know MalayD．it’s only spoken by Malays小题3:Which of the following is NOT true according to the passageA．Malaysia is one of the richest countries in Asia.B．It rains a little now and a little then in Malaysia.C．Kuala Lumpur became Malaysia’s capital before 1910.D．Malaysia is rich in agricultural products.