____
Look at the ads(广告). You may find something you need.
Xinxing travel agency.
Five-day trip to Zhangjiajie.
By train.
five-star hotel.
Call Miss Li at 5678-9324 for more information.
Guitar lessons.
Music teacher.
Good at teaching kids from 5 to 10 years of age.
Call Mary at 8769-9870.
Babysitter(临时保姆) wanted.
A 2-year-old baby.
At my home.
From 8: 00am to 5: 00 pm.
A lady who is less than 45 years old.
Be kind to kids.
Call Mr. Johnson at 4563-8127.
洋葱是二倍体植物，某同学用低温诱导洋葱根尖细胞染色体加倍并获得成功．下列相关叙述中不正确的是（ ）
在实数﹣2、0、﹣1、2、-2中，最小的是____ ．
