(·天津市耀华中学高三暑假验收考试) 5Jack must be worried about something.You can it from the look on his face. A.regard B.recognize
Our attitude toward our teachers should be _____, but not slavish or superstitious. A. respectable B. respected C. respective D. respectful
某单位要邀请10位教师中的6位参加一个会议,其中甲、乙两位教师不能同时参加,则邀请的不同方法有( )A.84种 B.98种
While watching TV, . A. the doorbell rang B. the doorbell rings C. we heard the doorbell ring D. we heard the doorbell rung
在多细胞生物体内,细胞并没有表现出全能性,这是因为 A. 由于细胞分化而丧失了全能性 B、细胞内的基因表达有特定的时空选择性 C
The crowd cheered wildly at the sight of the athlete, who was reported ____________ the world record in the 110-meter hurdle race. A. breaking B. having broken C. to have
将一张纸第一次翻折,折痕为AB(如图1),第二次翻折,折痕为PQ(如图2),第三次翻折使PA与PQ重合,折痕为PC(如图3),第四次翻折使PB与PA重合,折
右图所示某分子的部分结构图,据图分析下列说法最准确的是 ( ) A.圈中共有4种核苷酸,会在转录过程中出现 B.图中共有