如果操纵混合比杆使混合气变贫油且排气温度大道峰值后,再进一步变贫油,将出现什么情况().
A.发动机积炭
B.电嘴挂油
C.发动机过热
D.发动机振动
参考答案:D
根据短文内容及首字母提示完成所缺的单词.。
Ken's father is very happy because hell have a b 1 job and work in a
different p 2 of Hong Kong soon. So Ken and his brothers will have to
change s 3 next year. But Sam's father isn't so happy because he will have to m 4 to a bigger apartment in Shanghai, which will be e 5 . But then there
will be more room for the new baby-a brother or sister f 6 Sam. The
apartment will a 7 be very near to Sam's school so he can w 8 to school
with Blackie, his guide dog. Ken wants a dog, too. But his parents w 9 buy one from a pet shop. They'll look for o 10 in an animal shelter(动物收容站).
1.______ 2._______ 3._______ 4._______ 5. _______
6. _____ 7.______ 8._______ 9. ______ 10._______
Ⅲ度房室传导阻滞及病窦的患者,最好的治疗是()
A.异丙肾上腺素
B.阿托品
C.去氧肾上腺素
D.心脏起搏
E.利多卡因