New medicines and instruments ______ every day to extend life.

A. develop

B. are being developed

C. are developing

D. have developed

参考答案与解析：

相关试题

They are busy every day and can’t help complaining of the rapid( )of modem life.

[单选题]They are busy every day and can’t help complaining of the rapid( )of modem

  • 查看答案

    • It can be regardedas the worst day in my [entire] life.

    [单选题]It can be regardedas the worst day in my [entire] life.A.allB. youngC. whol

  • 查看答案

    • It’s high time that he settled down in the country and ______ a new life.

    [单选题]It’s high time that he settled down in the country and ______ a new life.A.

  • 查看答案

    • The new job will provide you with_experience which will benefit you for life.

    The new job will provide you with_experience which will benefit you for life.A.

  • 查看答案

    • With the world changing fast, we have something new __________with all by ourselves every day.

    With the world changing fast, we have something new __________with all by oursel

  • 查看答案

    • Now is the time (1)____ of your life. You may feel (2)____ or alarmed as you find yourself in a new

    Now is the time (1)____ of your life. You may feel (2)____ or alarmed as you fin

  • 查看答案

    • ()I feel satisfied with my life.

    [问答题]()I feel satisfied with my life.

  • 查看答案

    • I feel satisfied with my life.

    [问答题]I feel satisfied with my life.

  • 查看答案

    • I feel satisfied with my life.

    [问答题]I feel satisfied with my life.

  • 查看答案

    • Honesty, industry and kindness are _ of a good life.

    Honesty, industry and kindness are _ of a good life.A. elementsB. undertookC. di

  • 查看答案