18. This led to the idea of developing a skincare food supplement in tablet form that nou__the skin to help reduce the visible signs of aging.

Digitizing is the process of converting an image from its original form into （ ） form. A: analog B: digital C: visible D: invisible

2). Customs, habits and preferences are in the visible part of the cultural iceberg.

Scorn in Pargraph 2 may exist in the following form

Task 3 Complete each sentence with the correct form of the word in the brackets.(2)Would you please fill in the form? (register)

设置控件显示与隐藏的三个值分别是什么？（） A: visible、invisible和gone B: visible、invisible和go C: visible、invisib和gone D: visible、invisib和go

在下列属性中,属于CommandButton控件、ListBox控件共有的是() A: Caption、Text B: Visible、Font C: Caption、Visible D: List、Visible

For a molecule with a center of symmetry, which is the correct statement about the vibration that has a symmetric relationship with the center of symmetry? A: Infrared invisible, Raman visible; B: Infrared visible, Raman invisible; C: Infrared invisible, Raman invisible; D: Infrared visible, Raman visible

The pricing (2) … are crucial, as it is vital to set out what form the price will take and when it will be (3) （2）为

Task 2:Fill in each blank with the proper form of the words or phrases given in brackets.