更多"[单选题]PIL:Request time check; CTL:__"的相关试题:
[单选题]CTL:Report flight level; PIL:Flight level _______ .
A.one zero four zero zero
B.ten thousand four hundred meters
C.one zero thousand four hundred meters
D.one zero four
[单选题]PIL:Beijing Tower, United 401; CTL:United 401, Beijing Tower, _______ .
A.speak
B.say
C.go ahead
D.what do you want
[单项选择]CTL细胞是（）
A. 辅助性T细胞
B. 抑制性T细胞
C. 细胞毒性T细胞
D. 记忆性T细胞
E. 迟发型超敏反应性T细胞
[单选题]CTL:JAL175, _______.
A.line up and wait
B.line up and take off
C.line up and hold
D.cleared immediate line up
[单选题]CTL:CCA10l, read back _______ .
A.correct
B.OK
C.right
D.correction
[单选题]PIL:Tower G-ABCD, radio check 118.7. CTL:Station calling Tower, _______ unreadable.
A.read you
B.you are
C.your signal
D.your call sign
[单选题]PIL:Beijing Tower, CCA10l, request pushback and start up; CTL:CCA10l, Beijing Tower, pushback and start up _______ , runway 36L, D08 departure.
A.cleared
B.approved
C.allowed
D.as you required
[单选题]CTL:Tower, JAL781, _______ at holding point 36L.
A.park
B.stop
C.hold
D.request
[单选题]In order to save taxiing time for training purpose pilots may request to make a “touch and go”, which means the aircraft _______ .
A.takes off again without actually landing
B.lands, stops and takes off again
C.lands, continues rolling and takes off after a short stop
D.lands, continues rolling and takes off without coming to a stop
[单选题]CTL:CSN308, here is your ATC clearance, ready to _______.
A.write
B.read
C.hear
D.copy
[单项选择]在CTL杀伤靶细胞的机制中下列哪项不正确（）
A. 释放穿孔素
B. 释放颗粒酶
C. 通过ADCC效应
D. 引起细胞凋亡
E. 细胞裂解
[单项选择]下列对CTL细胞杀伤靶细胞的描述中正确的是（）
A. CTL无需与靶细胞接触
B. CTL杀伤靶细胞具有特异性
C. 靶细胞溶解时，CTL同时受损
D. 穿孔素诱导靶细胞凋亡
E. 一个CTL只能杀伤一个靶细胞
[单选题]CTL:Set heading _______ .
A.one hundred and ninety degrees
B.one niner zero
C.one hundred and ninety
D.one nine zero
[单项选择]
CD+8CTL的活化与下列哪种成分无直接关系（）
A. 协同刺激分子受体
B. MHCⅡ类分子
C. TCR
D. 蛋白酪氨酸激酶
E. MHCⅠ类分子
[单项选择]
CD4+T细胞在CTL细胞的活化过程中的作用主要是（）
A. 协助传递第一信号
B. 分泌细胞因子辅助CTL完全活化
C. 促进CTL的TCR的表达
D. 促进CTL的MHCⅡ类分子的表达
E. 促进CTL的穿孔素的释放
