单选题The phrase "from rags to riches" most probably means ______. A. from dirt to cleanness B. from poverty to wealth C. from poor health to good condition D. from old clothes to new ones

单选题Sun glasses are sometimes worn to ______ our eyes from strong sunlight.A) protestB) provideC) protectD) prevent

单选题There ______ a football match next week.A. is going to haveB. was going to haveC. is going to beD. will have

单选题By the time you get there tomorrow,they ______ for Beijing. A. will have left B. are leaving C. will leave D. are to leave

单选题Seldom ______ any mistakes during my past ten years of service here. A. I have made B. I made C. would I make D. have I made

单选题It has long been proved that the stability of a country depends very much on its policy.

单选题A.ShewatchesTV.B.Shegoestothetheater.C.Sheworks.D.Shestayswithfriends.

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单选题What you said reminded me ______ something I read in the newspaper.

单选题— Hello! May I speak to Liu Mei? — Yes, A) my name is Liu Mei C) this is Liu Mei speaking B) I'm Lin Mei D) Liu Mei is me

单选题It usually takes much (less) time to fly from one country to (another) than (traveling) (by) train. A. less B. another C. traveling D. by

单选题Encourage children to______some of their pocket money to buy Spring Festivalpresents．

单选题In the 1900s, American townspeople usually washed and brushed their teeth and combed their hair in the kitchen. Or they kept a water pitcher (大水罐) and a wash basin in their rooms and took care of these things there. The bathtub was a wash tub (澡盆) filled with water from the stove. If you were small enough you could sit down by drawing your knees to your chest. Otherwise, you washed yourself standing up. Often all the women and girls in the family bathed together. Then the men and boys did. In most families this was Saturday night because Sundays they went to church. A small number of families did have running water. But that depended on whether there was a water system where they lived and on whether they could afford the plumbing (水管设施). Some people had bathtubs in their homes as early as 1895. But many others did not have their first bath in a bathtub until 1910 or later when they were fifteen or sixteen years old.

单选题If the voltage remains constant, the more the resistance, the less the current. A. 如果电压稳定，电阻变大，电流变小。 B. 如果电压不变，电阻和电流成反比。 C. 电阻和电流的大小之比取决于电压的大小。 D. 电压越高，电阻就越大，电流就越小。

单选题The company makes it possible ______ the market information with its partners. A. share B. sharing C. to share D. shared

单选题A.Watchingtelevision.B.Listeningtotheradio.C.Swimminginthechannel.D.Changingtheirnewsprograms.

单选题I wish I ______ longer this morning, but I had to get up and come to class.

单选题China is larger than ______ in Asia.

单选题The opening ceremony of the exhibition began at 9:00 ______ we expected.A) such as C) just asB) as for D) as if

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