问题
单项选择题
阴离子型表面活性剂为( )。
A．十二烷基苯磺酸钠
B．卵磷脂
C．HLB7～9
D．苯扎氯铵
E．Pluronic F68
答案
参考答案：A
解析：[知识点] 表面活性剂
搜题请搜索小程序“爱下问搜题”
阴离子型表面活性剂为( )。
A．十二烷基苯磺酸钠
B．卵磷脂
C．HLB7～9
D．苯扎氯铵
E．Pluronic F68
参考答案：A
解析：[知识点] 表面活性剂
Opryland Christmas Join us in Nashville, Tennessee for a striking country Christmas that’s sure to create wonderful memories! You’ll enjoy four days of entertainment in this beautiful “Music City”. Dates and Pricing Nov.28---Dec.1/ Dec.3--6 Price Per Person
Day 1 --- Gaylord Opryland Resort: Welcome to Nashville! Settle in at the Gaylord Opryland Resort, then head out to enjoy its attractions, such as acres of indoor gardens, a waterfall, a recreation of a Delta River Town, Dozens of unique shops and ten restaurants. Welcome reception included. Day2 --- Showboat Cruise: Today we’ll board the General Jackson Showboat for a Cumberland River cruise, which includes a pleasant lunch, holiday music and comedy show. This afternoon we take in ICE!, Nashville’s life-sized ice-sculpting exhibit. The hand-carved ice sculptures reach over 25 feet high! Meals included: breakfast and lunch Day3 --- Hall of Tress/ Christmas Dinner Party: Choose from a variety of on-site activities today. Look through Treasures for the Holidays --- an art and antiques show, and visit the brilliant Hall of Trees display or relax at the 20,000-sp-foot Spa & Fitness Center. Tonight you’re in for a real teat --- a special Christmas Dinner & Show. A traditional holiday meal in the joy of the season with traditional Christmas music, dance and song. Meals included: breakfast and dinner Day 4 --- Farewell Brunch: Today say good-bye to your new friends with a good-bye brunch at the resort. Before you leave , finish up your Christmas shopping! 25 specialty shops are right here. Meal included: brunch Accommodations Days 1---3 : Gaylord Opryland Resort, Nashville 小题1:If a couple stay in a room with garden views, they have to pay ______.
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