单词拼写（共10小题；每小题1分，满分10分）
He was in trouble and _____________(寻求) the help of a private lawyer.
A friend in need is a friend _____________ (真正地).
It is so wet there that the trees are extremely tall, some ____________( 量起来）over 90 metres.
He was going to take them and their _____________(行李) to catch “The True North”.
Most Canadians live ____________ (在……之内)a few hundred kilometres of the USA border.
Canada's population is only _____________ (稍微）over thirty million.
The earth became so ______________（猛烈地）that it was not clear whether the shape would last or not.
Water had also appeared on other planets but, ____________(不像) the earth, it had disappeared later.
How life began on earth is one of the biggest ____________（迷；难题）that scientists found hard to solve.
They are putting too much carbon dioxide into the atmosphere, which ____________ (阻止)heat escaping from the earth into space.