题目

为探究影响种子萌发的因素，将3粒蚕豆种子分别放到盛水烧杯的不同位置，如图所示。对该实验有关分析错误的是（ ） A . 利用该装置可以探究水分和空气对种子萌发的影响 B . 该装置中①和②可形成一组对照实验，变量是水 C . 该装置中①和③可形成一组对照实验，变量是空气 D . 该装置中种子数量太少，实验结果的偶然性大This wonderful 16-day tour is designed to highlight South Africa’s amazing diversity of cultures, its curious mixture of old and new, as well as its wonderful scenery and wildlife, together with its unique history．Join us to experience Cape Town and the exciting Kruger safari (游猎) on our tour to South AfricA． We believe that a more naturally beautiful country than South Africa would be difficult to find: from the rocky peaks of the Drakensberg Mountains, to the timeless semi-desert landscapes of the Karoo and then the forested seashores and mirror-like lakes of the Garden Route, the attractive valleys of the Winelands and the symbol of the country, Table Mountain — all under an endless blue sky．Quite amazing!Included in our price:Return flights from London HeathrowThree-and-four-star hotels, sharing rooms, breakfast and lunch includedInternal flight to the beautiful Garden RouteFull-day guided safari in the Kruger National ParkVisit the legendary Zulu War battlefields of Isandlwana, Rorke's Drift, the historical Cape of Good Hope, Cape Town, Apartheid Museum and Blyde River CanyonTravel on Outeniqua steam train or go whale watching depending on the seasonFor more information, call 0845 155 6706.1.On this 16-day tour, visitors might experience the _______ of South Africa.A． history, cultures and educationB． cultures, scenery and educationC． history, scenery and educationD． history, cultures and scenery2.What can we learn about the tour?A． The tour is available all year rounD．B． Tourists will have a single room each.C． Tourists are sure to go whale watching．D． Suppers are not included in the price.3.The passage is written to _______.[A． talk about touring experiencesB． attract people to the tourC． talk about the history of AfricaD． introduce places of interest in Africa