Not getting enough sleep doesnt just make you tired. It also makes you fat because of increased food-eating, according to researchers in America.

　　The researchers 1 a study which included eight men and eight women, and found that participants who lacked sleep for a week 2 almost two pounds.

　　To establish a standard, 3 spent the first three nights sleeping up to nine hours a night, and 4 only as many calories as they burned each day. Their daily amount of food and oxygen, and production of carbon dioxide were 5 .

　　Then participants 6 two groups, with one limited to sleeping five hours a night, while the other continued to be allowed nine hours. After five nights, the groups 7 . During this part of the experiment, participants were allowed to eat as much as they wanted.

　　The researchers found that participants burned about 5 percent more calories when their sleep 8 five hours, but they consumed about 6 percent more calories, 9 when they were allowed nine hours.

　　Although the participants ate less at breakfast when they had five hours of sleep, they ate more over the rest of the day; they 10 consumed an increased number of calories after the dinner and finally gained weight. When they shifted to adequate sleep patterns they lose the pounds.

　　【答案解析】

　　1.carried out。【精解】空格處應(yīng)該填入一個動詞或動詞短語，carried out意為進行，實行。該句意為，研究人員進行了一項研究。

　　2.ganined。【精解】空格處應(yīng)該填入一個動詞，其賓語為two pounds。gained意為獲得，增加。該句意為：缺乏睡眠的受試者體重增加了近兩磅。

　　3.particilmnls。【精解】空格處應(yīng)該填入一個名詞，作謂語動詞spent的主語。本段后面全用了they，表示主語是復(fù)數(shù)，下一段的開頭提到Then participants were divided into two groups，因此空格處應(yīng)填participants。

　　4.consumed。 【精解】空格處應(yīng)填入一個動詞，該動詞的賓語為calories。consumed意為消耗。該句的意思是：這些受試人員每天消耗多少熱量，他們就吃多少熱量的食物。

　　5.mersured。 【精解】空格處應(yīng)填入一個動詞的過去分詞形式，與前面的were構(gòu)成被動語態(tài)，measure意為測量。該句的意思是：這些受試人員每天的食物和氧氣的攝人量以及二氧化碳的呼出量都被測量過。

　　6.were divided into。【精解】空格處應(yīng)該填入動詞的被動語態(tài)，were divided into意為被分成。該句的意思是：受試人員被分成兩組。

　　7.switched。 【精解】空格處應(yīng)該填入一個動詞，作the groups的謂語。switched表示對調(diào)，轉(zhuǎn)換。該句的意思是，五個晚上以后，這兩組人員對調(diào)了一下。

　　8.WilS limited to。 【精解】空格處應(yīng)該填入一個動詞短語，且應(yīng)為被動語態(tài)。Was limited t0表示被限定為。該句的意思是：當他們的睡眠時間被限定為5小時時。

　　9.compared with。 【精解】空格處應(yīng)該填入一個動詞的過去分詞形式，表示比較。Compared with表不與相比。根據(jù)上下文可知，這里將每晚睡5個小時和每晚睡9個小時的情況進行對比。

　　10.espectsllUy。【精解】空格處應(yīng)該填入一個副詞，用來修飾動詞consumed。

　　Not getting enough sleep doesnt just make you tired. It also makes you fat because of increased food-eating, according to researchers in America.

　　The researchers 1 a study which included eight men and eight women, and found that participants who lacked sleep for a week 2 almost two pounds.

　　To establish a standard, 3 spent the first three nights sleeping up to nine hours a night, and 4 only as many calories as they burned each day. Their daily amount of food and oxygen, and production of carbon dioxide were 5 .

　　Then participants 6 two groups, with one limited to sleeping five hours a night, while the other continued to be allowed nine hours. After five nights, the groups 7 . During this part of the experiment, participants were allowed to eat as much as they wanted.

　　The researchers found that participants burned about 5 percent more calories when their sleep 8 five hours, but they consumed about 6 percent more calories, 9 when they were allowed nine hours.

　　Although the participants ate less at breakfast when they had five hours of sleep, they ate more over the rest of the day; they 10 consumed an increased number of calories after the dinner and finally gained weight. When they shifted to adequate sleep patterns they lose the pounds.

　　【答案解析】

　　1.carried out。【精解】空格處應(yīng)該填入一個動詞或動詞短語，carried out意為進行，實行。該句意為，研究人員進行了一項研究。

　　2.ganined。【精解】空格處應(yīng)該填入一個動詞，其賓語為two pounds。gained意為獲得，增加。該句意為：缺乏睡眠的受試者體重增加了近兩磅。

　　3.particilmnls。【精解】空格處應(yīng)該填入一個名詞，作謂語動詞spent的主語。本段后面全用了they，表示主語是復(fù)數(shù)，下一段的開頭提到Then participants were divided into two groups，因此空格處應(yīng)填participants。

　　4.consumed。 【精解】空格處應(yīng)填入一個動詞，該動詞的賓語為calories。consumed意為消耗。該句的意思是：這些受試人員每天消耗多少熱量，他們就吃多少熱量的食物。

　　5.mersured。 【精解】空格處應(yīng)填入一個動詞的過去分詞形式，與前面的were構(gòu)成被動語態(tài)，measure意為測量。該句的意思是：這些受試人員每天的食物和氧氣的攝人量以及二氧化碳的呼出量都被測量過。

　　6.were divided into。【精解】空格處應(yīng)該填入動詞的被動語態(tài)，were divided into意為被分成。該句的意思是：受試人員被分成兩組。

　　7.switched。 【精解】空格處應(yīng)該填入一個動詞，作the groups的謂語。switched表示對調(diào)，轉(zhuǎn)換。該句的意思是，五個晚上以后，這兩組人員對調(diào)了一下。

　　8.WilS limited to。 【精解】空格處應(yīng)該填入一個動詞短語，且應(yīng)為被動語態(tài)。Was limited t0表示被限定為。該句的意思是：當他們的睡眠時間被限定為5小時時。

　　9.compared with。 【精解】空格處應(yīng)該填入一個動詞的過去分詞形式，表示比較。Compared with表不與相比。根據(jù)上下文可知，這里將每晚睡5個小時和每晚睡9個小時的情況進行對比。

　　10.espectsllUy。【精解】空格處應(yīng)該填入一個副詞，用來修飾動詞consumed。