题目

假如你是李华，你们班同学打算本周六去爬长城，请你给外教Chris写一封信，邀请他参加此次活动。请包括以下内容：1）介绍活动的相关信息（时间、集合地点、交通工具等）；2）携带物品（午餐、相机、雨伞等）。注意：1）词数100左右；2）开头和结尾已给出，不计入总词数。Dear Chris,……Yours,Li Hua 答案：Dear Chris, It is with the greatest of pleasure that I write to invite you to join our class to climb the Great Wall this Saturday. We will depart at 8 am at the school gate and the return is arranged at 5 pm, so we will have plenty of time to enjoy the outing. We will take a bus directly to our destination. I recommend taking your camera with you to capture the beautiful scenes of nature. What's下列叙述不正确的是                                                   （  ） A.受抗原体刺激后的淋巴细胞，细胞周期变长，核糖体活动加强 B.动物的性行为主要是由性激素决定 C.子房壁发育为果皮，其性状由母本决定，属于细胞质遗传 D.异体骨髓移植成功后，康复者的血型有可能发生改变，但不会遗传