更多"[单选题]Airplanes tend to get heavier "的相关试题:
[单选题]Airplanes must be periodically reweighed to ensure accurate weight and balance
A.TRUE
B.FALSE
[单选题]All Boeing airplanes are designed so they will never tip under any circumstances
A.TRUE
B.FALSE
[判断题]表达式“age between 18 and 24”等价于age>=18 and agg<=24。( )
A.正确
B.错误
[多选题] You can take_____to get on/get off the aircraft. 你可以带上飞机/下飞机
A. air steps 客梯车
B. air bridge 廊桥
C. runway 跑道
D. de-icer 除冰器
[单选题]若get_hits 3,get_misses 4,则缓存的命中率为( )
A. 75%
B. 80%
C. 43%
D. 50%
[简答题]Even in this globalized age, we can still be amazed at all the earthly things that weren't included in the Let's Go guidebook and that certainly don't exist back home
[单选题]与select age,name from stu where id=5含义一样的MongoDB语句是哪个?( )
A. db.stu.find({id:5},{age:1,name:1,_id:0})
B. db.stu.find({id:5,age:1,name:1,_id:0})
C. db.stu.find({id:{$gt:5}},{age:1,name:1,_id:0})
D. db.stu.find({id:{$lt:5}},{age:1,name:1,_id:0})
[单选题]( )She looks much older than her age ________ ten years’ hard work.
A.because
B.because of
C.since
D.for
[单选题]有如下定义
struct person{char name[9]; int age;};
strict person class[10]={"Johu", 17,
"Paul", 19
"Mary", 18,
"Adam 16,};
根据上述定义，能输出字母M的语句是（）。
A.prinft("%c\n",class[3].mane);
B.pfintf("%c\n",class[3].name[1]);
C.prinft("%c\n",class[2].name[1]);
D.printf("%^c\n",class[2].name[0]);
[单选题]以下对结构体变量stu1中成员age的非法引用是（）。
struct student
{ char name[10];
int age ;
} stu1 ,*p; p=&stu1;
A.stu1.age
B.p->age
C.(*p).age
D.student.age
[单选题]We are confident to get over these difficulties since the government has promised to give us some help.
A. 自从政府提供帮助以来，我们信心十足地攻克了困境。
B. 我们都在等着政府的帮助来度过困境。
C. 既然政府允诺给予我们帮助，我们有信心克服困难。
D. 自从政府许诺给予帮助以来，我们有信心克服困难。
[单选题] What benefit does the man get from volunteering? (C)
A. Learning communication skills.
B. Getting useful living experience.
C. Learning to be more patient.
D. Improve his practical skills.
[单选题]假定学生关系是S(S#，SNAME，SEX，AGE)，课程关系是C(C#，CNAME，TEACHER)，学生选课关系是SC(S#，C#，GRADE)。要查找选修“COMPUTER”课程的“女”学生姓名，将涉及关系( )。
A.S
B.SC，C
C.S，SC
D.S，C，SC
[判断题]It is impossible for him to get the money now.此句中的“It”是形式主语，真正的主语是后面的不定式。
A.正确
B.错误
[填空题] How often do you （ ） a family get together
