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【单选题】
枕左前位胎头进入骨盆入口时其衔接的径线是A.
双颞径
B.
C.
枕下前囟径
D.
枕额径
E.
枕颏径
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【简答题】Fill in the blanks with correct forms of the modal verbs. (选择正确的情态动词填空。) must can may 1 在做了很多工作之后,你一定很累了。 You ________ be very tired after doing much work. 2 他现在不可能在家。 He ________ be at home now. 3 ...
【简答题】Fill in the blanks with the proper form of modal verbs.
【单选题】What a pity! I missed meeting my boss at the airport because my car was_________ in the traffic jam.
A.
held out
B.
kept back
C.
held up
D.
kept up
【单选题】what a pity! I missed meeting my boss at the airport because my car was______ in the traffic jam.
A.
broken up
B.
kept back
C.
held up
D.
kept up
【单选题】I _______ my boss at three this afternoon.
A.
shall be picking up
B.
shall be picked
C.
shall have been picking up
D.
shall have picked up
【简答题】Fill the modal verbs in the following table according to the meanings. Meanings affirmative Negative Ability Certainty and possibility Obligation and compulsion Requests, orders, offers, permission
【简答题】Fill in the blanks with proper modal verbs.
【简答题】编写程序实现注册页面中用户名(要求其中只含有字母)、密码(要求长队在6和20之间且只可为字母、数字)的验证,如果不合要求给予提示,符合要求可以不执行任何操作。 2. 编写验证身份证号及E-mail地址输入正确程序,要求输入不正确给予提示。 选一道题
【简答题】Fill in the blanks with appropriate modal verbs.(用适当的情态动词填空。 _______ you swim? No, I _______.
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