CAR-T细胞在实体瘤治疗中的最大障碍是（ ） A: CAR-T细胞在实体瘤的浸润 B: CAR-细胞活力较低 C: CAR-细胞阳性率不高 D: CAR-细胞的识别能力

car=Car()isinstance(car,Car)结果为

He asked how much _______.: the car was B. was the car C. the car is D. is the car

Then, police began to call at the apartments in the neighborhood, investigating car- smashing, shop-lifting, and other incidents. A: coincidences B: accidents C: incentives D: occurrences

Then, police began to call at the apartments in the neighborhood, investigating car- smashing, shop-lifting, and other incidents. A: coincidences B: B．accidents C: C．incentives D: D．occurrences

以下的xml文档片段中，属性符合XML语法规则的是（）。 A: ＜car name=”zhang’s car”＞ B: ＜car name=’zhang”s car’＞ C: ＜car name=’jieda car ”＞ D: ＜car name=jieda ＞

– Which is the car he drives? --- It’s _________. A: cart fifty-four B: the fifty-four car C: fifty-four car D: the fifty-fourth car

I don’t use Kart’s car because I don’t quite appreciate _______. A: that car of him B: that car of his C: that car D: his that car

The brothers wanted to get ______. A: a free car B: an old car C: a second-class car

one car come ,one car go ,two car pengpeng, people die