Whether you grew up with a bossy big sister, a whiney little brother, or a twin you couldn’t live without, National Siblings Day is a great time     1     (consider) the roles our siblings (兄弟姐妹) play in our lives. When you study siblings, you see how     2     (power) those relationships are in terms of shaping     3     people we end up being and affecting social skills that impact other relationships across our lives.” says Laurie Kramer, PhD, a clinical psychologist and Professor of Applied Psychology at Northeastern University.

Part of the power of sibling relationships comes from the fact     4     they’re different from all other family and social     5     (connect). “It’s the longest-lasting relationship in most people’s lives,” says Susan McHale, professor of Demography at Penn State University. “It starts in childhood     6     people meet a spouse or partner and usually ends in late life after parents are     7     (go), so there’s a lot of time for sibling influence.” In addition, growing up together means     8     (share) intimate knowledge about the interior (内部) of your family and each other. “Not many people know you like your sibling     9     (do),” McHale adds.

What’s more, a sibling relationship often brings different stages together. “Unlike childhood friendships, siblings – unless twins – aren’t the same age,” says Nina Howe, PhD, Professor of Early Childhood and Elementary Education at Concordia University. “So they’re at different levels in terms of development and knowledge of the world,     10     can come into play as they interact.”

The    1     (explode )of the earth produced water vapor,     2    turned into water when the earth cooled down.     3    many scientists believe is that water allowed the earth to dissolve harmful gases     4    the oceans and seas. That made     5    possible for life to begin to develop. The appearance of small plants encouraged the     6    (develop)of early shellfish and all     7    (sort)of fish. Many millions of years later ,the first green plants began to appear on land. Later, land animals appeared. Some were insects. Others,     8    (call) amphibians, were able to live on land as well as in the water. Finally some small clever animals appeared and     9    (spread) all over the earth. But they treat the planet in an     10    (friend)way, and the earth becomes too polluted.

A team of over 30 Chinese surveyors (勘探员) on Wednesday (Mav6, 2020) left a base camp at Mount Qomolangma for a higher spot on their journey     1     the peak, as they try to accomplish a task to remeasure the    2     (high) of the world's highest mountain.

The team,     3     (consist) of professional climbers and surveyors from the Ministry of Natural Resources (MNR),     4     (seize) the current weather window and make an attempt for the summit at the     5     (good) time.

Professional surveyors are better at using the     6     (advance) instruments.     7     , the data they obtain     8     (be) more reliable,     9     (science) and convincing.

Due to the fact     10     the air flow is unstable as well as the windy and low-temperature conditions, surveying-oriented drones (无人机) cannot work at the summit of Mount Qomolangma at present.