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【单选题】
The soldiers' rapid march was _______ by the general's command; they were uncertain whether to go back or forward.
A.
pulled to a stop
B.
plowed through
C.
made their way
D.
stopped short
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举一反三
【单选题】合成立方氧化锆光学性质描述正确的是
A.
均质体
B.
非均质体
C.
集合体
D.
非晶体
查看完整题目与答案
【简答题】_____, I have never seen anyone who’s as capable as John． A．As long as I have traveled B．Much as I have traveled C．Now that I have traveled so much D．As I have traveled so much
查看完整题目与答案
【多选题】下面对光的性质描述正确的是:
A.
光是粒子性的还是波长性的，一直是科学领域无法论证的课题。
B.
光粒子的运动轨迹是呈周期性的波
C.
光是由光粒子组成的
D.
牛顿证明过光具有粒子性
查看完整题目与答案
【单选题】The teacher recommended that Jack______ math or physics instead of English because he was quick at numbers.
A.
must study
B.
could study
C.
study
D.
studied
查看完整题目与答案
【单选题】锈菌是一类比较复杂的菌物,下列哪个选项 没有 体现锈菌的复杂性?
A.
锁状联合
B.
单主寄生
C.
转主寄生
D.
多型现象
查看完整题目与答案
【单选题】A good teacher should encourage his students to ____ the knowledge by themselves instead of just copying and memorizing what the teacher said in class.
A.
expand
B.
observe
C.
digest
D.
react
查看完整题目与答案
【单选题】_____, I have never seen anyone who's as capable as John. [     ]
A.
As long as I have traveled
B.
Now that I have traveled so much
C.
Much as I have traveled
D.
As I have traveled so much
查看完整题目与答案
【判断题】不准用汽车挂车、蓄电池车辆、叉车和拖拉机运输化学危险品。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】光的性质描述正确的是
A.
光具有波粒二象性
B.
光具有发散性
C.
光具有颜色
D.
本质是单色光
查看完整题目与答案
【多选题】有关香豆素荧光性质描述正确的是 （ ）
A.
大多数的香豆素在紫外光的照射下可呈现绿色荧光
B.
大多数的香豆素在紫外光的照射下可呈现蓝色或紫色荧光
C.
在碱性溶液中荧光增强
D.
在碱性溶液中荧光减弱
E.
荧光的强弱和有无，与分子中取代基的种类和位置有关
查看完整题目与答案
相关题目：
【单选题】合成立方氧化锆光学性质描述正确的是
A.
均质体
B.
非均质体
C.
集合体
D.
非晶体
查看完整题目与答案
【简答题】_____, I have never seen anyone who’s as capable as John． A．As long as I have traveled B．Much as I have traveled C．Now that I have traveled so much D．As I have traveled so much
查看完整题目与答案
【多选题】下面对光的性质描述正确的是:
A.
光是粒子性的还是波长性的，一直是科学领域无法论证的课题。
B.
光粒子的运动轨迹是呈周期性的波
C.
光是由光粒子组成的
D.
牛顿证明过光具有粒子性
查看完整题目与答案
【单选题】The teacher recommended that Jack______ math or physics instead of English because he was quick at numbers.
A.
must study
B.
could study
C.
study
D.
studied
查看完整题目与答案
【单选题】锈菌是一类比较复杂的菌物,下列哪个选项 没有 体现锈菌的复杂性?
A.
锁状联合
B.
单主寄生
C.
转主寄生
D.
多型现象
查看完整题目与答案
【单选题】A good teacher should encourage his students to ____ the knowledge by themselves instead of just copying and memorizing what the teacher said in class.
A.
expand
B.
observe
C.
digest
D.
react
查看完整题目与答案
【单选题】_____, I have never seen anyone who's as capable as John. [     ]
A.
As long as I have traveled
B.
Now that I have traveled so much
C.
Much as I have traveled
D.
As I have traveled so much
查看完整题目与答案
【判断题】不准用汽车挂车、蓄电池车辆、叉车和拖拉机运输化学危险品。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】光的性质描述正确的是
A.
光具有波粒二象性
B.
光具有发散性
C.
光具有颜色
D.
本质是单色光
查看完整题目与答案
【多选题】有关香豆素荧光性质描述正确的是 （ ）
A.
大多数的香豆素在紫外光的照射下可呈现绿色荧光
B.
大多数的香豆素在紫外光的照射下可呈现蓝色或紫色荧光
C.
在碱性溶液中荧光增强
D.
在碱性溶液中荧光减弱
E.
荧光的强弱和有无，与分子中取代基的种类和位置有关
查看完整题目与答案