1.All plants need water, so it is better to water much when growing pineapples.
True False

2.Pineapple is tasty, so it is better to keep the suckers and produce as many fruits as they can.
True False

3.Pineapple cake fillings made from white gourds don’t have:
Pineapple fragrance Shreds of fibers Sweet and sour taste of pineapple

4.In summer, pineapples in the fields are covered with leaves. Why?
To protect them from rain To protect them from sunburn To increase sweetness

5.What are the common guava pests and diseases?
Black Heart Guava scab Grape thrips All of the above

6.How to distinguish a guava fruit is ripe for picking?
By the size By the height of the tree By the color of the skin

7.What is the purpose of bagging guava fruits?
Prevent pests and diseases Use less pesticides Keep the fruits fresh All of the above

8.What is the purpose of using black mats in the Orchard we visited?
Weed control Less weedicides All of them

9.The earliest type of sock knitting machine was:
Hand operation Pedal operation Semi-auto

10.How to wash socks for fewer pills?
By hand By washer Either of them

11.Socks consist of facing yarn and bottom yarn. Which is bottom yarn?
Bamboo charcoal yarn Cotton yarn Stretch yarn

12.How many dozens of socks can be produce by the latest sock-manufacturing machine?
5o dozens 100 dozens 200 dozens