X-rays have confirmed that he ______ (break) some bones.
举一反三
- X光片证实他没有骨折。 X-rays have ____________ (c开头，请注意词形) that he has not broken any bones.
- 以下属于直接电离辐射的是（） A: X-rays B: γ-rays C: β-rays D: neutrons
- X-rays and gamma rays can be used to detect and treat cancer ______.
- The doctor ______ what he thought; she was pregnant. A: approved B: assured C: held some promise D: confirmed
- X-rays are also called Rontgen rays _____ the discoverer who first put them to use. A: in case of B: in view of C: in place of D: in honor of