
【名词&注释】
基因型(genotype)、梁启超(liang qi-cao)、表现型(phenotype)、有利于(beneficial to)、理论上(theory)
[单选题]已知小麦抗病对感病为显性,无芒对有芒为显性,两对性状独立遗传。用纯合的抗病无芒与感病有芒杂交,F1自交,播种所有的F2,假定所有的F2植珠都能成活,在F2植株开花前,拔掉所有的有芒植株,并对剩余植株套袋。假定剩余的每株F2收获的种子数量相等,且F3的表现型符合遗传定律。从理论上(theory)讲F3中表现感病植株的比例为
A. 1/8
B. 3/8
C. 1/16
D. 3/16
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举一反三:
[单选题]The girl arranged to have piano lessons at the training centre with her sister ________ she would stay for an hour.
A. where
B. who
C. which
D. what
[单选题]
A. talked about
B. cared about
C. wrote about
D. heard about
[单选题]What is the woman’s seat number?
A. 6A
B. 7A
C. 8A
[单选题]She brought with her three friends, none of ______I had ever met before.
A. them B. who
B. whom D. these
[单选题]25_______
A. if
B. though
C. because
D. while
[单选题]梁启超说:“我国蚩蚩四亿之众,数千年受治于民贼政体之下,如盲鱼生长黑壑,不知天地间有□□二字。”省略的两字最可能是
A. 君主
B. 科学
C. 西学
D. 民权
[单选题]下列关于汤剂的说法,不正确的是( )。
A. 汤剂处方的组成是固定的,不能随意加减化裁
B. 汤剂是复方组成,有利于发挥药物成分的多效性和综合作用
C. 汤剂用途比较广泛,可以口服和内用
D. 中药合剂是汤剂的浓缩制品
E. 置适宜煎器中,加水至浸没药材
[单选题]听第6段材料,回答第 6~7 题。第6题:What is the man doing?
A. Changing seats on the plane.
B. Asking for a window seat.
C. Trying to find his seat.
[单选题]What is the purpose of the text?
A. To describe the job of a ROM.
B. To provide information about ALRL.
C. To announce an open position at ALRL.
D. To make known the opening of the new laboratories.
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