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【单选题】
关于胎儿发育,下列说法正确的是A.
妊娠 8 周末已人形且有心跳搏动，超声波不能测出
B.
妊娠 12 周末胎儿外生殖器可确定男女
C.
妊娠 20 周末临床可听到胎心、出生后没有呼吸、无排尿及吞咽功能
D.
妊娠 28 体重约 1000 克此时出生无存活力
E.
妊娠 32 周末胎儿身长约 40cm，体重约 1700g
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【单选题】I must try to make ______ as I can of this project which I have undertaken.
A.
as a logical survey
B.
such a logical survey
C.
the same logical survey
D.
as logical a survey
【简答题】—He must be busy doing his homeworkright now. —I imagine____. A.that B. to C.so D. it
【单选题】I find it astonishing that he ____ be so rude to us. I _____ make a complaint to his company.
A.
could; must
B.
should; shall
C.
shall; should
D.
dare; have to
【简答题】_____.I must be leaving now. ______ you will close all the windows and doors . A.To make sure B Make sure C.Being made sure D. sure.
【简答题】I must thank my parents ________to be a college student. A．to make it possible for me B．to make it possible to me C．for it possible for me D．for it possible to me
【单选题】We must make______for his action, because he is too young.
A.
alternation
B.
preparation
C.
allowance
D.
apprehension
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