From Paragraph 2, we get to know that photos and videos______.
A．record most of parents' early lives
B．can help children recall their early memories easily
C．usually take the place of children' s early memories
D．can' t play an important role as early memories do

未分类题One of your pen pals Grace will shortly be visiting your city. For some reasons, you cannot manage to meet him her at the airport on time. Write a letter to 1)apologize and explain the reason, and 2)tell him her your plan. You should write about 100 words on the ANSWER SHEET. Do not use your own name. Use 'Li Ming' instead. Do not write your address.(10 points)

未分类题What can we infer from the text?A．Climate change has caused great damage to most countries in the world.B．To stop climate change will greatly improve the development of the world.C．It is urgent for human beings to take measures to prevent climate change.D．Human beings should build man-made highlands to avoid floods.

未分类题Climate change may cause the following disasters EXCEPT______.A．floods will erode highland soilB．coastal cities will be threatenedC．low-lying nations will be affected by higher sea levelD．wetland and rain forest ecosystems could be in great danger

未分类题What does the last paragraph imply?A．Human beings are vulnerable groups in the world.B．Human beings have no ability to reduce emissions.C．Human beings are preparing for the coming risks.D．Pollutions may be the major cause of climate change.

单项选择题前列腺癌的特点正确的是()