气管插管术的适应证：
A. 需要紧急解除喉阻塞时
B. 下呼吸道分泌物潴留，需及时处理
C. 呼吸衰竭，需紧急进行人工呼吸和呼吸机辅助通气
D. 需全身麻醉的外科手术
Which of the following sentence is not correct?
A. Smiling, Jim walked in.
B. Chen smiling, Jim walked in.
Chen is smiling, Jim walked in.
D. Chen is smiling when Jim walked in.
My cousin came to see me from the country, ________ (bring) me a full basket of fresh fruits.
A. bring
B. brought
C. bringing
D. being brought
________ is better________ one’s life than to lose one’s spirit.
A. That; lost
B. It; losing
C. This; losing
D. It; to lose
微信支付 
支付宝支付