Modern methods 63 tracking polar bear populations have been employed only since the mid-1980s, and are expensive to perform consistently over a large area.
Of 69 nineteen recognized polar bear subpopulations, three are declining, six are stable,one is increasing, and nine lack enough data.
I work not because I have to, 67 because I want to.
When we got a call saying she was short-listed, we thought it was 69 joke.
We were first greeted with the barking by a pack 63 dogs, seven to be exact.
Everybody wears 57 same style of clothes.
But can uniforms help improve school standards? The answer 61 this question is not clear.
While running regularly can’t make you live forever, the review says it is more effective at lengthening life 65 walking, cycling or swimming.
If you are time poor, you need run for only half the time to get the same benefits as other sports, so perhaps we should all give 70 a try.
Corn production has jumped nearly 125 percent over 62 past 25 years, while rice has increased only 7 percent.
The government encourages farmers to grow corn instead of rice to improve water quality. Corn uses less water 65 rice and creates less fertilizer (化肥) runoff.
Unexpectedly, I’m face-to-face with the gorilla, who begins screaming at 62 top of her lungs.
I was searching 67 these three western lowland gorillas I’d been observing.
When the gorillas and I frightened each other, I was just glad to find 68 (they) alive.
Many westerners who / that come to China cook much less than in their own countries once they realize how cheap 58 can be to eat out.
If you are not going to suffer this problem, then I suggest that the next time you go to your mum’s home 65 dinner, get a few cooking tips from her.
This trend, which was started by the medical community (医学界) 61 a method of fighting heart disease, has had some unintended side effects such as overweight and heart disease — the very thing the medical community was trying to fight.
As 65 result, people will eat more food to try to make up for that something missing.
It ran for just under seven kilometers and allowed people to avoid terrible crowds on the roads above as they travelled to and 62 work.
This included digging up the road, laying the track and then building a strong roof over 64 top.
However, the railway quickly proved tobe a great success and within six months, more than 25,000 people were using 67 every day.
Instead, she is earning $6,500 a day as 62 model in New York.
After school she plans to take a year off to model full-time before going to university to get a degree 68
engineering or architecture.
“She thought I had hurt 59 (I),” says Pahlsson.
For Pahlsson, its return was 65 wonder.
But my connection with pandas goes back 64 my days on a TV show in the mid-1980s.
On my recent visit, I held a lively three-month-old twin that had been rejected by 68 (it) mother. The nursery team switches him every few days with his sister so that while one is being bottle-fed, 70 other is with mum — she never suspects.
Most of us are more focused 64 our tasks in the morning than we are later in the day.
Give your body and brain a rest by stepping outside for 68 while, exercising, or doing something you enjoy.
In much of Asia, especially the so-called “rice bowl” cultures of China, Japan, Korea, 61 Vietnam, food is usually eaten with chopsticks.
Chopsticks are not used everywhere inAsia. In India, for example, most people traditionally eat 70 their hands.
A few hours before / earlier, I’d been at home in Hong Kong, with 63 (it) choking smog. Here, the air was clean and fresh, even with the rain.
For those who fly to Guilin, it’s only an hour away 66 car and offers all the scenery of the better-known city.
The adobe dwellings (土坯房) built by the Pueblo Indians of the American Southwest are admired by even 62
most modern of architects and engineers.
When a new day breaks, the walls have given up their heat and are now cold enough to cool the house during the hot day; 67 the same time, they warm up again for the night.
63. of / for method of / for 是固定搭配，意为“……的方法”。
69. the 此处特指19种被辨认出的北极熊亚种群，因此用定冠词the。
67. but not … but … 意为“不是……而是……”。
69. a 此处表泛指，故用不定冠词a。
63. of a pack of ... 是固定搭配，意为“一群……”。
57. the 此处与 same 构成固定搭配。
61. to answer 后接介词 to，意为“……的答案”。
65. than 这里是将跑步和其他运动方式作对比，再由上文的 more effective可知，此处用 than。
70. it / running give it / sth a try 是固定短语，意为“尝试某事物”。
62. the 此处特指过去的25年。
65. than less 是 little 的比较级，than 引出比较对象。
62. the at the top of one’s lungs 是固定短语，意为“用尽量大的声音”，因此填定冠词the。
67. for 此处意为“我当时正在搜寻西部低地的这三只大猩猩”。search for 意为“搜寻”。
68. them 人称代词作宾语时，要用其宾格。 them 在此作find的宾语。
58. it 分析句子结构可知，该宾语从句中要用 it 作形式主语，真正的主语是动词不定式 to eat out。
65. for go to some place for dinner 去某个地方吃饭。 介词 for 在此表示目的。
61. as 介词 as 在此处意为“作为；当作”。
65. a as a result (of …) 为常用搭配，意为“（作为……的）结果”。
62. from to and from … 可意为“往返于……”。
64. the 此处特指前面提到的事物，故用定冠词the。
67. it 此处 it 代指 the railway。
62. a 此处表泛指，故用不定冠词a。
68. in degree in +某学科，表示某学科的学位。
59. myself 此处表示伤到自己，故用 myself。
65. a 此处表泛指，故用不定冠词a。
64. to go back to 意为“追溯到；回溯到”。
68. its 名词前面需要用形容词性物主代词。
70. the the other 表示两个中的另一个。
68. a for a while“一会儿；一段时间”。
61. and 表列举时，最后出现的人或事物前用and连接。
70. with eat with their hands“用手吃饭”，with此时意为“用；使用”。
63. its 此时需要用形容词性物主代词，表示 Hong Kong’s 的意思。
66. by by + 交通工具，表示“乘坐某种交通工具”。
62. the most 为最高级的标志，前面应该用定冠词the。
67. at at the same time 为固定短语，意为“不过；也”。