The radiation amount of a mobile phone for two half-hour periods per day is equal to ______ to an X-ray for ten seconds.

试卷相关题目

• 1This is the best way _____ the river from _____ .

  A.to prevent; being polluted

  B.preventing; polluting

  C.preventing; being polluted

  D.to prevent; polluting

  开始考试点击查看答案
• 2_____ price decline ______ farmers' income, the central government has decided to buy more crops to protect farmers.

  A.Preventing; to affect

  B.To prevent; affecting

  C.Having prevented; affecting

  D.To prevent; being affected

  开始考试点击查看答案
• 3I suddenly felt something cold ______ my hand.

  A.touch

  B.touched

  C.to touch

  D.to be touched

  开始考试点击查看答案
• 4I often hear this English song _________on the radio.

  A.sing

  B.singing

  C.to sing

  D.sung

  开始考试点击查看答案
• 5_______ at the back of the room was a shy girl with two big eyes.

  A.Sat

  B.Sit

  C.Seating

  D.Seated

  开始考试点击查看答案
• 6 _______from the operation, the patient was advised to stay in hospital for another two weeks.

  A.Having not fully recovered

  B.Being not fully recovered

  C.Not having fully recovered

  D.Not fully recovering

  开始考试点击查看答案
• 7 _________with so many contributions to the newspaper, he has little time to chat with friends on the net.

  A.Occupied

  B.Have been occupied

  C.To occupy

  D.Having occupied

  开始考试点击查看答案
• 8_________at the very beginning, the financial crisis was getting worse and worse in Americ

  A.A.Not dealt with properly

  B.Not dealing with properly

  C.Not having dealt with properly

  D.Not being dealt with properly

  开始考试点击查看答案
• 9They live in a beautiful village, with many trees and flowers _______ it.

  A.surrounded

  B.surrounds

  C.surrounding

  D.to surround

  开始考试点击查看答案
• 10Tom was running out of time in the exam, but there still remained several questions_________.

  A.to be answered

  B.to answer

  C.answered

  D.answering

  开始考试点击查看答案