全静脉麻醉的缺点有()
A.麻醉加深快而容易,呼吸道无刺激
B.多种药物相复合,可取长补短
C.诱导快,病人无痛苦
D.麻醉深度明确且易判定
E.手术室空气无污染
参考答案:D
There are _______ visitors to the wetland park, and the number is becoming _______ now.
A.thousand of; larger and larger
B.thousands of; more and more
C.thousands of; larger and larger
D.thousand of; more and more
* * 壁张力恢复于产后
A.约9周
B.7周
C.3周
D.2周
E.1周