Many of the soundings shown on the chart are derived from ______ , Undue reliance should not be placed upon them。( )
A: A. complete and often very poor surveys
B: B. correct and often very good surveys
C: C. inadequate and often very old surveys
D: D. adequate and present surveys
A: A. complete and often very poor surveys
B: B. correct and often very good surveys
C: C. inadequate and often very old surveys
D: D. adequate and present surveys
举一反三
- ( ) your teacher ( ) from them very often? Certainly.
- The guests are often very well _________ by the host in that city. A: A. recovered B: B. refreshed C: C. reassured D: D. entertained
- _____ your teacher ____ from them very often? Certainly. A: Do…hear B: Does…hear C: Do… receive D: receive
- The rhetorical question should be used very often for best effect.
- (Despite) his old (age), he is still (very) (healthful) and often works in the field. A: Despite B: age C: very D: healthful