来自黄热病疫区的人员在入境时，必须向卫生检疫机关出示有效的黄热病预防接种证书。 ( )
参考答案：对
解析： 根据《中华人民共和国国境卫生检疫法实施细则》第85条规定，来自黄热病疫区的人员，在入境时，必须向卫生检疫机关出示有效的黄热病预防接种证书。
对无有效的黄热病预防接种证人员，卫生检疫机关可以从该人员离开感染环境的时候算起。实施六日的留验，或者实施预防接种并留验到黄热病预防接种证书生效时为止。因此，本题说法正确。
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| Mr and Mrs Moore were invited to a Christmas party at a hotel one year. They _ 1 _ their car outside and went in. Mr Moore had never got drunk before, so he was 2 not to drink too much, though his friends asked him to drink more 3 . During the party, Mrs Moore found that she 4 to bring her bag, so she asked her husband to go out to the car and 5 it for her. He did so, but 6 his way back to the hotel gate, he heard a car horn (喇叭) blowing near his own car. He thought someone might be in need of help and went over to the car with the 7 .He found a small black bear _ 8 in the driving-seat and blowing the horn. | |||
| ( )1. A. pulled ( )2. A. polite ( )3. A. all along ( )4. A. had remember ( )5. A. buy ( )6. A. at ( )7. A. noise ( )8. A. to sit | B. stayed B. careful B. once again B. remembered B. get B. in B. voice B. sit | C. left C. glad C. just then C. had forgotten C. send C. on C. cry C. sitting | D. hid D. afraid D. for ever D. forgot D. return D. by D. shout D. sits |